#CFCF31#CFCF31

#CFCF31 is a very light, vivid yellow. Relative luminance 0.581; OKLCH L 82.9% C 0.167 H 109.6°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#CFCF31
RGB	rgb(207, 207, 49)
HSL	hsl(60, 62%, 50%)
HSV	hsv(60, 76%, 81%)
CMYK	cmyk(0%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(80.80, -17.42, 72.19)
CIE-LCH	lch(80.80, 74.26, 103.57°)
OKLab	oklab(82.85% -0.0559 0.1575)
OKLCH	oklch(82.85% 0.167 109.6)
XYZ	xyz(48.6012, 58.1143, 11.5622)
Luminance	0.5811 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFCF31 #3131CF

analogous

#CF8031 #CFCF31 #80CF31

triadic

#CFCF31 #31CFCF #CF31CF

tetradic

#CFCF31 #31CF80 #3131CF #CF3180

square

#CFCF31 #31CF80 #3131CF #CF3180

split-complementary

#CFCF31 #3180CF #8031CF

monochromatic

#6C6C19 #9E9E25 #CFCF31 #DBDB63 #E6E694

Accessibility & contrast

On white

1.66

#CFCF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#CFCF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFCF31

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFCF31	#FFFFFF	#000000	##000000
##CFCF31	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C600

Deuteranopia (green-blind)

#E2CB3F

Tritanopia (blue-blind)

#DEC2B2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #cfcf31;
/* rgb */ color: rgb(207, 207, 49);
/* oklch */ color: oklch(82.9% 0.167 109.6);

Tailwind

colors: {
  custom: {
    50: '#e2dd76',
    500: '#cfcf31',
    950: '#000000',
  },
}

SCSS

$custom: #cfcf31;
$custom-light: #e2dd76;
$custom-dark: #000000;

JSON

{
  "hex": "#cfcf31",
  "rgb": {
    "r": 207,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 60,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.82853,
    "c": 0.16712,
    "h": 109.6
  },
  "luminance": 0.58113
}

Semantic roles & 50–950 ramp

primary

#CFCF31

secondary

#2E2E76

accent

#43E543

background

#FEFEFB

surface

#FDFCF1

border

#D5D5CB

text

#161509

muted

#84847D

Preview Lab

Preview with #CFCF31

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

Preview Lab → · Contrast checker → · Palette generator →