#ACAF31#ACAF31

#ACAF31 is a light, vivid yellow. Relative luminance 0.397; OKLCH L 72.9% C 0.143 H 110.8°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#ACAF31
RGB	rgb(172, 175, 49)
HSL	hsl(61, 56%, 44%)
HSV	hsv(61, 72%, 69%)
CMYK	cmyk(1.7%, 0%, 72%, 31.4%)
CIE-LAB	lab(69.22, -16.27, 60.38)
CIE-LCH	lch(69.22, 62.53, 105.08°)
OKLab	oklab(72.91% -0.0509 0.1337)
OKLCH	oklch(72.91% 0.143 110.8)
XYZ	xyz(32.8987, 39.6532, 8.8260)
Luminance	0.3965 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACAF31 #3431AF

analogous

#AF7331 #ACAF31 #6DAF31

triadic

#ACAF31 #31ACAF #AF31AC

tetradic

#ACAF31 #31AF73 #3431AF #AF316D

square

#ACAF31 #31AF73 #3431AF #AF316D

split-complementary

#ACAF31 #316DAF #7331AF

monochromatic

#4E4F16 #7D7F24 #ACAF31 #CBCE4F #D9DB7F

Accessibility & contrast

On white

2.35

#ACAF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#ACAF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACAF31

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACAF31	#FFFFFF	#000000	##000000
##ACAF31	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA71A

Deuteranopia (green-blind)

#BEAB3B

Tritanopia (blue-blind)

#B8A497

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #acaf31;
/* rgb */ color: rgb(172, 175, 49);
/* oklch */ color: oklch(72.9% 0.143 110.8);

Tailwind

colors: {
  custom: {
    50: '#c8c672',
    500: '#acaf31',
    950: '#000000',
  },
}

SCSS

$custom: #acaf31;
$custom-light: #c8c672;
$custom-dark: #000000;

JSON

{
  "hex": "#acaf31",
  "rgb": {
    "r": 172,
    "g": 175,
    "b": 49
  },
  "hsl": {
    "h": 61.429,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.72908,
    "c": 0.14304,
    "h": 110.8
  },
  "luminance": 0.39652
}

Semantic roles & 50–950 ramp

primary

#ACAF31

secondary

#7978C4

accent

#48E04C

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141308

muted

#82827B

Preview Lab

Preview with #ACAF31

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

Preview Lab → · Contrast checker → · Palette generator →