#ACAC37#ACAC37

#ACAC37 is a light, vivid yellow. Relative luminance 0.386; OKLCH L 72.3% C 0.136 H 109.4°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#ACAC37
RGB	rgb(172, 172, 55)
HSL	hsl(60, 52%, 45%)
HSV	hsv(60, 68%, 67%)
CMYK	cmyk(0%, 0%, 68%, 32.5%)
CIE-LAB	lab(68.43, -14.42, 57.34)
CIE-LCH	lch(68.43, 59.13, 104.12°)
OKLab	oklab(72.29% -0.0451 0.1283)
OKLCH	oklch(72.29% 0.136 109.4)
XYZ	xyz(32.4565, 38.5525, 9.3454)
Luminance	0.3855 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACAC37 #3737AC

analogous

#AC7237 #ACAC37 #72AC37

triadic

#ACAC37 #37ACAC #AC37AC

tetradic

#ACAC37 #37AC72 #3737AC #AC3772

square

#ACAC37 #37AC72 #3737AC #AC3772

split-complementary

#ACAC37 #3772AC #7237AC

monochromatic

#4F4F19 #7E7E28 #ACAC37 #C9C957 #D8D885

Accessibility & contrast

On white

2.41

#ACAC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#ACAC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACAC37

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACAC37	#FFFFFF	#000000	##000000
##ACAC37	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA525

Deuteranopia (green-blind)

#BBA93F

Tritanopia (blue-blind)

#B8A195

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #acac37;
/* rgb */ color: rgb(172, 172, 55);
/* oklch */ color: oklch(72.3% 0.136 109.4);

Tailwind

colors: {
  custom: {
    50: '#c8c475',
    500: '#acac37',
    950: '#000000',
  },
}

SCSS

$custom: #acac37;
$custom-light: #c8c475;
$custom-dark: #000000;

JSON

{
  "hex": "#acac37",
  "rgb": {
    "r": 172,
    "g": 172,
    "b": 55
  },
  "hsl": {
    "h": 60,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.72285,
    "c": 0.13601,
    "h": 109.4
  },
  "luminance": 0.38552
}

Semantic roles & 50–950 ramp

primary

#ACAC37

secondary

#7D7DC2

accent

#4DDB4D

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#131209

muted

#82817B

Preview Lab

Preview with #ACAC37

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

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