Closest web-safe match: #999966

Color Details and Palettes for #ACB178

Details about the color Estragon#ACB178

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

Yellow family Warm WCAG ink: dark
HEX #ACB178 RGB rgb(172, 177, 120) HSL hsl(65, 27%, 58%) CMYK cmyk(3%, 0%, 32%, 31%)

Color profile

About Color Hex #ACB178

#ACB178 is a warm color from the Yellow family, closest in name to “Estragon”. In RGB it is rgb(172, 177, 120); in HSL, hsl(65, 27%, 58%).

The color Estragon, with hexadecimal code #acb178, 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 Softness, Delicacy, Calmness, Relaxation and Friendliness. 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 just 27% saturation, this near-neutral shade carries only a subtle hint of its underlying hue, making it versatile for large surfaces and professional contexts. With a mid-range lightness of 58%, 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 Softness, Delicacy, Calmness, Relaxation, or Friendliness. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 172, 177, 120 red · green · blue HSL 65° 27% 58% hue · sat · light HSV 65° 32% 69% design-app pickers CMYK 3 0 32 31 print inks, % Luminance 0.416 0 dark → 1 light On black 9.31:1 ✓ AA contrast ratio On white 2.25:1 ✕ AA contrast ratio Web-safe #999966 closest web-safe Best text black ideal foreground Character Vivid warm · yellow family

The story of this color

History, Usage, Psychology & Design Ideas for #ACB178

Estragon (#ACB178) 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 65°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. At 27% saturation, the color has a muted, sophisticated quality that pairs well with bolder accents. It works as a background, a border, or a secondary element in layered compositions.

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 58%, 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

#ACB178 Color Conversions

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

12 formats
HEX Web
#ACB178

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, 177, 120)

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(65, 27%, 58%)

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(65, 32%, 69%)

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(65 47% 31%)

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(3%, 0%, 32%, 31%)

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(74.25% 0.077 112.35)

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

OKLab Modern
oklab(74.25% -0.029 0.071)

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: 70.57, a: -10.98, b: 28.64

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

LCH Perceptual
L: 70.57, C: 30.67, H: 110.98

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

XYZ CIE Science
X: 36.13, Y: 41.57, Z: 23.89

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
11317624

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 #ACB178

How much red, green and blue light mixes into Estragon.

Red 172/255 36.7% Green 177/255 37.7% Blue 120/255 25.6%

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

Ink coverage

CMYK Ink Levels & Print Guide for #ACB178

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

3% CYAN 0% MAGENTA 32% YELLOW 31% 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 #ACB178

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

Relative luminance 0.416
0 · dark1 · light

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

Aa Black text 9.31:1 ✓ AA ✓ AAA ✓ Large
Aa White text 2.25:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #ACB178

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

estragon.css
background-color: #ACB178;
color: #ACB178;
border: 2px solid #ACB178;
background-color: rgb(172, 177, 120);
background-color: hsl(65, 27%, 58%);
--color: #ACB178;

Shades · light to dark

#ACB178 Monochrome Palette

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

#F7F7F2
#EAECDD
#DEE0C9
#D1D4B5
#C5C8A1
#B8BD8C
#ACB178
#929666
#787C54
#5F6142
#454730
#2B2C1E
#11120C

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

Harmony · 180° apart

#ACB178 Complementary Palette

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

#ACB178
#7C77B1

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

Harmony · adjacent hues

#ACB178 Analogic Palette

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

#ACB178
#8FB177
#B19977
#77B17C
#B17C77
#77B199
#B1778F

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

Harmony · 120° apart

#ACB178 Triadic Palette

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

#ACB178
#77ACB1
#B177AC

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

Harmony · 90° apart

#ACB178 Quad Palette

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

#ACB178
#77B199
#7C77B1
#B1778F

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

Accessibility

Color Blindness Simulation for #ACB178

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

#ACB178
#AEAE89
#AEAE86
#AC9193
#ACACAC
Normal vision full color Deuteranopia green weakness ✓ Friendly Protanopia red weakness ✓ Friendly Tritanopia blue-yellow weakness ✓ Friendly Achromatopsia total color blindness ✓ Friendly

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

Harmony overview

Color Harmonies for #ACB178

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

#7C77B1
#8FB177
#77ACB1
#77B199
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#ACB178 Nearby Colors

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

Kiss a Frog#BBBB88
Guacamole#999966
Court-Bouillon#CCCC99
Vitality#889955
Palm#AAAA66
Olive Tree#AAAA88
Around the Gills#AABB77
Nettle#BBAA77

From the color-name library

Colors Similar to #ACB178

The closest named colors to #ACB178 — same mood, each with its own character.

Estragon#A5AF76
Cardamom#AAAA77
Nile#AFB982
Matcha Mecha#9FAF6C
Willow Leaf#A1A46D
Kiss a Frog#BEC187
Around the Gills#A1B670
Savannah Grass#BABC72
Gallant Green#99AA66
Olive Tree#ABA77C
Bamboo Forest#B1A979
Green Tea#B5B68F

Looking for more Yellow shades? Browse Yellow colors →

Inspiration

Explore Vibrant Images Featuring Estragon (#acb178)

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

Good to know

Frequently Asked Questions about #ACB178

#ACB178 is a warm color from the Yellow family. Its closest matched name is “Estragon”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(172, 177, 120); in HSL, hsl(65, 27%, 58%).
In RGB, #ACB178 is rgb(172, 177, 120); in HSL it is hsl(65, 27%, 58%); and in CMYK — the model used for print — it is cmyk(3%, 0%, 32%, 31%).
#ACB178 has a contrast ratio of 9.31:1 against black and 2.25:1 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 #ACB178 is #7C77B1 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #ACB178 in the palette sections above.