#ACAC31#ACAC31

#ACAC31 is a light, vivid yellow. Relative luminance 0.385; OKLCH L 72.2% C 0.140 H 109.4°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#ACAC31
RGB	rgb(172, 172, 49)
HSL	hsl(60, 56%, 43%)
HSV	hsv(60, 72%, 67%)
CMYK	cmyk(0%, 0%, 71.5%, 32.5%)
CIE-LAB	lab(68.39, -14.74, 59.57)
CIE-LCH	lch(68.39, 61.37, 103.90°)
OKLab	oklab(72.24% -0.0466 0.132)
OKLCH	oklch(72.24% 0.14 109.4)
XYZ	xyz(32.3213, 38.4984, 8.6335)
Luminance	0.3850 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACAC31 #3131AC

analogous

#AC6E31 #ACAC31 #6EAC31

triadic

#ACAC31 #31ACAC #AC31AC

tetradic

#ACAC31 #31AC6E #3131AC #AC316E

square

#ACAC31 #31AC6E #3131AC #AC316E

split-complementary

#ACAC31 #316EAC #6E31AC

monochromatic

#4D4D16 #7C7C23 #ACAC31 #CCCC4E #DADA7D

Accessibility & contrast

On white

2.41

#ACAC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#ACAC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACAC31

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACAC31	#FFFFFF	#000000	##000000
##ACAC31	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA51B

Deuteranopia (green-blind)

#BBA93A

Tritanopia (blue-blind)

#B8A194

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #acac31;
/* rgb */ color: rgb(172, 172, 49);
/* oklch */ color: oklch(72.2% 0.140 109.4);

Tailwind

colors: {
  custom: {
    50: '#c8c472',
    500: '#acac31',
    950: '#000000',
  },
}

SCSS

$custom: #acac31;
$custom-light: #c8c472;
$custom-dark: #000000;

JSON

{
  "hex": "#acac31",
  "rgb": {
    "r": 172,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 60,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.72241,
    "c": 0.13996,
    "h": 109.4
  },
  "luminance": 0.38497
}

Semantic roles & 50–950 ramp

primary

#ACAC31

secondary

#7676C3

accent

#49DF49

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141208

muted

#82817B

Preview Lab

Preview with #ACAC31

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

Preview Lab → · Contrast checker → · Palette generator →