Color Details and Palettes for #99AA33

Details about the color Augustus Asparagus

Closest web-safe match: #999933

Use this color in our tools

Every tool opens preloaded with #99AA33 — pick where to take it next.

 #99AA33
Simulate color Preview this color on real UI components Check contrast Check WCAG contrast for this color Generate harmony Build a 5-color harmony from this color Build a gradient Use this color as a gradient stop Convert formats View HEX, RGB, HSL, HSV, CMYK, OKLCH Color blindness Preview this color across vision types Mix with another Blend this color with another Find closest Pantone Approximate Pantone Solid Coated match

About Color Hex #99aa33

The color Augustus Asparagus, with hexadecimal code #99aa33, resides in the yellow color family, the most visible hue in the spectrum. Yellow radiates optimism, intellect, and cheerful energy—qualities that made it the imperial color of ancient China. Additionally, it evokes emotions such as Freshness, Harmony, Growth, Youthfulness and Renewal. Yellow represents wealth, glory, and wisdom in various cultures, including being the color of royalty in ancient China. It is also associated with happiness and optimism in many Western cultures. At 54% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 43%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. This color is ideal for designs that aim to express Freshness, Harmony, Growth, Youthfulness, or Renewal. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Augustus Asparagus are (153, 170, 51), providing a combination of red: 153, green: 170, and blue: 51. In HSL format, it has a hue of 69.00°, saturation of 54.00%, and lightness of 43.00%.

The HSV representation includes a hue of 69.00°, saturation of 70.00%, and value of 67.00%. Its CMYK composition is cyan: 10.00%, magenta: 0.00%, yellow: 70.00%, and black: 33.00%.

The calculated luminance of #99aa33 is 0.358, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #999933. Its contrast ratio is 8.15:1 against black and 2.58:1 against white. It works well on dark backgrounds but may be less readable on lighter ones.

In terms of color temperature, #99aa33 reads as warm. When it comes to accessibility, testing against standard guidelines suggests that using black text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #99aa33 is black.

Considering its saturation and lightness, #99aa33 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #99AA33

Augustus Asparagus (#99AA33) belongs to the Yellow color family.

With moderate saturation and balanced lightness, this muted tone feels sophisticated and understated. Muted hues like this excel in editorial design, professional portfolios, and interior spaces that seek calm refinement.

Historical Background

Yellow ochre was one of the first pigments used in cave art, and later Egyptians produced orpiment—a toxic arsenic-based yellow—for tomb paintings. In imperial China, only the emperor could wear bright yellow, making it the most restricted color in the nation. Van Gogh famously obsessed over chrome yellow, using it lavishly in his Sunflowers series and Arles landscapes.

Design & Usage Tips

Yellow is the most visible color in daylight, which is why it dominates warning signs, taxi cabs, and highlighter pens. Use it for attention-grabbing headlines or promotional banners, but ensure sufficient contrast with text—dark gray or black on yellow maintains readability. Avoid large yellow backgrounds on screens, as they can cause eye fatigue.

Positioned on the warm side of the color wheel (hue 69°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. With 54% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Yellow radiates optimism, intellect, and energy. It stimulates mental activity and generates a sense of cheerfulness, which makes it popular in children's products and educational materials. However, overly bright yellows can provoke anxiety, so context and tone matter.

With a mid-range lightness of 43%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Pair canary yellow with charcoal for a modern, high-contrast editorial style. Use soft butter yellow as a background for recipe blogs or lifestyle content to evoke warmth. In branding, a yellow logomark on a white background signals innovation and forward-thinking (think Snapchat or National Geographic).

#99AA33 Color Conversions

Every way to write Augustus Asparagus — copy Augustus Asparagus as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#99AA33

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(153, 170, 51)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(69, 54%, 43%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(69, 70%, 67%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(69 20% 33%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(10%, 0%, 70%, 33%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(70.23% 0.142 117.26)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(70.23% -0.065 0.126)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 66.34, a: -21.78, b: 56.31

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 66.34, C: 60.37, H: 111.14

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 28.11, Y: 35.76, Z: 8.55

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
10070579

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #99aa33

RGB Color Percentages for Augustus Asparagus (HEX Code: #99aa33) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Green, making up 45.45% of the total composition. The complete breakdown of RGB contributions is:

Red:
40.91%
Green:
45.45%
Blue:
13.64%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Augustus Asparagus.

CMYK Ink Levels & Print Guide for #99aa33

CMYK Ink Levels for Augustus Asparagus (HEX Code: #99aa33) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Augustus Asparagus prominently features Yellow, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 10%, Magenta: 0%, Yellow: 70%, and Black: 33.33%.

Luminance & Contrast for #99AA33

Relative luminance gauges how bright Augustus Asparagus is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.358
0 · dark1 · light
Aa
Black text 8.15:1
AA AAA Large
Aa
White text 2.58:1
AA AAA Large

Quick CSS Snippets for #99AA33

Copy-and-paste CSS for Augustus Asparagus — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #99AA33;
Text color: #99AA33;
Border border: 2px solid #99AA33;
RGB background-color: rgb(153, 170, 51);
HSL background-color: hsl(69, 54%, 43%);
Variable --color: #99AA33;

#99aa33 Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#f5f7eb
#e6eacc
#d6ddad
#c7d08f
#b8c470
#a8b752
#99aa33 Original
#82912b
#6b7724
#545e1c
#3d4414
#262b0d
#0f1105

#99aa33 Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#99aa33 Original
#4432a9

#99aa33 Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#99aa33 Original
#5ca932
#a97f32
#32a944
#a94432
#32a97f
#a9325c

#99aa33 Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#99aa33 Original
#3297a9
#a93297

#99aa33 Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#99aa33 Original
#32a97f
#4432a9
#a9325c

Color Blindness Simulation for #99aa33

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Augustus Asparagus (#99aa33) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Friendly

Protanopia (Red Weakness)

Friendly

Tritanopia (Blue-Yellow Weakness)

Not Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #99aa33

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#99AA33 Nearby Colors

A handful of colors just a step away from #99AA33 — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#aabb44 Celery
#889922 Snakes in the Grass
#bbcc55 Glow Worm
#778811 Pesto di Rucola
#99aa22 Augustus Asparagus
#99aa44 Springtide Melodies
#88aa44 Lime It or Leave It
#aaaa33 Honey and Thyme

Colors Similar to #99aa33

These colors are close neighbours of #99AA33 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Yellow tone.

#9aaa33 Augustus Asparagus
#99ab33 Augustus Asparagus
#99aa34 Augustus Asparagus
#98aa33 Augustus Asparagus
#99a933 Augustus Asparagus
#99aa32 Augustus Asparagus
#aaaa33 Honey and Thyme
#99bb33 Machu Picchu Gardens
#99aa44 Springtide Melodies
#88aa33 German Hop
#999933 Papyrus
#99aa22 Augustus Asparagus

Looking for more Yellow shades? Browse Yellow colors →

Explore Vibrant Images Featuring Augustus Asparagus (#99aa33)

Discover a vibrant gallery of images that not only showcase the captivating hue of Augustus Asparagus, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.