#ACB31B#ACB31B

#ACB31B is a light, vivid yellow. Relative luminance 0.411; OKLCH L 73.7% C 0.158 H 112.6°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#ACB31B
RGB	rgb(172, 179, 27)
HSL	hsl(63, 74%, 40%)
HSV	hsv(63, 85%, 70%)
CMYK	cmyk(3.9%, 0%, 84.9%, 29.8%)
CIE-LAB	lab(70.24, -19.12, 67.77)
CIE-LCH	lch(70.24, 70.41, 105.76°)
OKLab	oklab(73.69% -0.0605 0.1456)
OKLCH	oklch(73.69% 0.158 112.6)
XYZ	xyz(33.3324, 41.0908, 7.2122)
Luminance	0.4109 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACB31B #221BB3

analogous

#B36E1B #ACB31B #60B31B

triadic

#ACB31B #1BACB3 #B31BAC

tetradic

#ACB31B #1BB36E #221BB3 #B31B60

square

#ACB31B #1BB36E #221BB3 #B31B60

split-complementary

#ACB31B #1B60B3 #6E1BB3

monochromatic

#46490B #797E13 #ACB31B #D7DF2C #E1E761

Accessibility & contrast

On white

2.28

#ACB31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#ACB31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACB31B

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACB31B	#FFFFFF	#000000	##000000
##ACB31B	1.00	2.28	9.22	9.22
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.22	21.00	1.00	1.00
##000000	9.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#C2AD2C

Tritanopia (blue-blind)

#B8A799

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #acb31b;
/* rgb */ color: rgb(172, 179, 27);
/* oklch */ color: oklch(73.7% 0.158 112.6);

Tailwind

colors: {
  custom: {
    50: '#c9c969',
    500: '#acb31b',
    950: '#000000',
  },
}

SCSS

$custom: #acb31b;
$custom-light: #c9c969;
$custom-dark: #000000;

JSON

{
  "hex": "#acb31b",
  "rgb": {
    "r": 172,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 62.763,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.73691,
    "c": 0.15765,
    "h": 112.6
  },
  "luminance": 0.4109
}

Semantic roles & 50–950 ramp

primary

#ACB31B

secondary

#635ECC

accent

#37F040

background

#FCFCF6

surface

#F9F8EC

border

#D2D1C7

text

#141307

muted

#82827A

Preview Lab

Preview with #ACB31B

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

Preview Lab → · Contrast checker → · Palette generator →