#ACA637#ACA637

#ACA637 is a light, vivid yellow. Relative luminance 0.363; OKLCH L 71.0% C 0.130 H 106.2°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#ACA637
RGB	rgb(172, 166, 55)
HSL	hsl(57, 52%, 45%)
HSV	hsv(57, 68%, 67%)
CMYK	cmyk(0%, 3.5%, 68%, 32.5%)
CIE-LAB	lab(66.76, -11.31, 55.66)
CIE-LCH	lch(66.76, 56.80, 101.49°)
OKLab	oklab(70.96% -0.0363 0.1248)
OKLCH	oklch(70.96% 0.13 106.2)
XYZ	xyz(31.3402, 36.3200, 8.9733)
Luminance	0.3632 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACA637 #373DAC

analogous

#AC6C37 #ACA637 #78AC37

triadic

#ACA637 #37ACA6 #A637AC

tetradic

#ACA637 #37AC6C #373DAC #AC3778

square

#ACA637 #37AC6C #373DAC #AC3778

split-complementary

#ACA637 #3778AC #6C37AC

monochromatic

#4F4C19 #7E7928 #ACA637 #C9C357 #D8D485

Accessibility & contrast

On white

2.54

#ACA637 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#ACA637 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACA637

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACA637	#FFFFFF	#000000	##000000
##ACA637	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A027

Deuteranopia (green-blind)

#B7A53E

Tritanopia (blue-blind)

#B89B90

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #aca637;
/* rgb */ color: rgb(172, 166, 55);
/* oklch */ color: oklch(71.0% 0.130 106.2);

Tailwind

colors: {
  custom: {
    50: '#c8c074',
    500: '#aca637',
    950: '#000000',
  },
}

SCSS

$custom: #aca637;
$custom-light: #c8c074;
$custom-dark: #000000;

JSON

{
  "hex": "#aca637",
  "rgb": {
    "r": 172,
    "g": 166,
    "b": 55
  },
  "hsl": {
    "h": 56.923,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.70959,
    "c": 0.12996,
    "h": 106.2
  },
  "luminance": 0.36319
}

Semantic roles & 50–950 ramp

primary

#ACA637

secondary

#7D80C2

accent

#54DB4D

background

#FCFBF7

surface

#F9F7ED

border

#D2D0C8

text

#131209

muted

#82817B

Preview Lab

Preview with #ACA637

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →