Closest web-safe match: #99CC33

Color Details and Palettes for #ACB71B

Details about the color Leafy Woodland#ACB71B

Conversions, palettes, contrast & design ideas for this color.

Yellow family Warm WCAG ink: dark
HEX #ACB71B RGB rgb(172, 183, 27) HSL hsl(64, 74%, 41%) CMYK cmyk(6%, 0%, 85%, 28%)

Color profile

About Color Hex #ACB71B

#ACB71B is a warm color from the Yellow family, closest in name to “Leafy Woodland”. In RGB it is rgb(172, 183, 27); in HSL, hsl(64, 74%, 41%).

The color Leafy Woodland, with hexadecimal code #acb71b, 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 74% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 41%, 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.

Key facts

RGB 172, 183, 27 red · green · blue HSL 64° 74% 41% hue · sat · light HSV 64° 85% 72% design-app pickers CMYK 6 0 85 28 print inks, % Luminance 0.427 0 dark → 1 light On black 9.54:1 ✓ AA contrast ratio On white 2.20:1 ✕ AA contrast ratio Web-safe #99CC33 closest web-safe Best text black ideal foreground Character Vivid warm · yellow family

The story of this color

History, Usage, Psychology & Design Ideas for #ACB71B

Leafy Woodland (#ACB71B) belongs to the Yellow color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

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 64°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. With 74% 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 41%, 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).

Every format

#ACB71B Color Conversions

Every way to write Leafy Woodland — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#ACB71B

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(172, 183, 27)

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(64, 74%, 41%)

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(64, 85%, 72%)

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(64 11% 28%)

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(6%, 0%, 85%, 28%)

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(74.59% 0.162 114.09)

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

OKLab Modern
oklab(74.59% -0.066 0.148)

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: 71.36, a: -21.12, b: 68.70

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

LCH Perceptual
L: 71.36, C: 71.88, H: 107.09

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

XYZ CIE Science
X: 34.14, Y: 42.72, Z: 7.48

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
11319067

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

Channel breakdown

RGB Color Percentages for #ACB71B

How much red, green and blue light mixes into Leafy Woodland.

Red 172/255 45.0% Green 183/255 47.9% Blue 27/255 7.1%

Percentages show each channel's share of the total light (R + G + B) in Leafy Woodland.

Ink coverage

CMYK Ink Levels & Print Guide for #ACB71B

Ink needed to reproduce Leafy Woodland in four-color print. Heaviest ink: Yellow.

6% CYAN 0% MAGENTA 85% YELLOW 28% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #ACB71B

How bright Leafy Woodland is, and how far black and white text clear each WCAG bar.

Relative luminance 0.427
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 9.54:1 ✓ AA ✓ AAA ✓ Large
Aa White text 2.20:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #ACB71B

Copy-and-paste CSS for Leafy Woodland — per-line copy, or grab the whole block.

leafy-woodland.css
background-color: #ACB71B;
color: #ACB71B;
border: 2px solid #ACB71B;
background-color: rgb(172, 183, 27);
background-color: hsl(64, 74%, 41%);
--color: #ACB71B;

Shades · light to dark

#ACB71B Monochrome Palette

Lighter and darker steps of Leafy Woodland — the color's full brightness range in one strip.

#F7F8E8
#EAEDC6
#DEE2A4
#D1D782
#C5CD5F
#B8C23D
#ACB71B
#929C17
#788013
#5F650F
#45490B
#2B2E07
#111203

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#ACB71B Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#ACB71B
#251BB6

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#ACB71B Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#ACB71B
#5EB61B
#B6731B
#1BB625
#B6251B
#1BB673
#B61B5E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#ACB71B Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#ACB71B
#1BACB6
#B61BAC

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#ACB71B Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#ACB71B
#1BB673
#251BB6
#B61B5E

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #ACB71B

How Leafy Woodland reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#ACB71B
#B0AF4A
#B1B141
#AD5F65
#A9A9A9
Normal vision full color Deuteranopia green weakness ✓ Friendly Protanopia red weakness ✓ Friendly Tritanopia blue-yellow weakness ✕ Not friendly Achromatopsia total color blindness ✕ Not friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #ACB71B

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#251BB6
#5EB61B
#1BACB6
#1BB673
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#ACB71B Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Cheerly Kiwi#BBCC33
Augustus Asparagus#99AA00
Greenivorous#CCDD44
BioShock#889900
Leafy Woodland#AABB00
Lush Bamboo#AABB33
Machu Picchu Gardens#99BB22
Muddy Yellow#BBAA11

From the color-name library

Colors Similar to #ACB71B

The closest named colors to #ACB71B — same mood, each with its own character.

Leafy Woodland#AABB11
Lush Bamboo#AFBB33
Citrus#9FB70A
Pea#A4BF20
Sour Lime#ACC326
Sinsemilla#B6BD4A
Honey and Thyme#AAAA00
Celery#B4C04C
Pesto di Pistacchio#A7C437
Cheerly Kiwi#BCCB08
Countryside#A4A404
Serpent Sceptre#BBCC00

Looking for more Yellow shades? Browse Yellow colors →

Inspiration

Explore Vibrant Images Featuring Leafy Woodland (#acb71b)

Curated Unsplash photos that carry the mood of Leafy Woodland — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #ACB71B

#ACB71B is a warm color from the Yellow family. Its closest matched name is “Leafy Woodland”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(172, 183, 27); in HSL, hsl(64, 74%, 41%).
In RGB, #ACB71B is rgb(172, 183, 27); in HSL it is hsl(64, 74%, 41%); and in CMYK — the model used for print — it is cmyk(6%, 0%, 85%, 28%).
#ACB71B has a contrast ratio of 9.54:1 against black and 2.20:1 against white. For readability, black body text meets the WCAG AA threshold of 4.5:1 on it, while white does not.
The direct complement of #ACB71B is #251BB6 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #ACB71B in the palette sections above.