#B9CF31#B9CF31

#B9CF31 is a light, vivid yellow. Relative luminance 0.552; OKLCH L 81.1% C 0.173 H 117.6°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#B9CF31
RGB	rgb(185, 207, 49)
HSL	hsl(68, 62%, 50%)
HSV	hsv(68, 76%, 81%)
CMYK	cmyk(10.6%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(79.13, -26.60, 70.06)
CIE-LCH	lch(79.13, 74.93, 110.79°)
OKLab	oklab(81.1% -0.0802 0.1537)
OKLCH	oklch(81.1% 0.173 117.6)
XYZ	xyz(42.8758, 55.1622, 11.2938)
Luminance	0.5516 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9CF31 #4731CF

analogous

#CF9631 #B9CF31 #6ACF31

triadic

#B9CF31 #31B9CF #CF31B9

tetradic

#B9CF31 #31CF96 #4731CF #CF316A

square

#B9CF31 #31CF96 #4731CF #CF316A

split-complementary

#B9CF31 #316ACF #9631CF

monochromatic

#616C19 #8D9E25 #B9CF31 #CADB63 #DBE694

Accessibility & contrast

On white

1.75

#B9CF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.03

#B9CF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CF31

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9CF31	#FFFFFF	#000000	##000000
##B9CF31	1.00	1.75	12.03	12.03
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.03	21.00	1.00	1.00
##000000	12.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC401

Deuteranopia (green-blind)

#DBC540

Tritanopia (blue-blind)

#C5C3B2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b9cf31;
/* rgb */ color: rgb(185, 207, 49);
/* oklch */ color: oklch(81.1% 0.173 117.6);

Tailwind

colors: {
  custom: {
    50: '#d2dd76',
    500: '#b9cf31',
    950: '#000000',
  },
}

SCSS

$custom: #b9cf31;
$custom-light: #d2dd76;
$custom-dark: #000000;

JSON

{
  "hex": "#b9cf31",
  "rgb": {
    "r": 185,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 68.354,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.81104,
    "c": 0.17339,
    "h": 117.6
  },
  "luminance": 0.55162
}

Semantic roles & 50–950 ramp

primary

#B9CF31

secondary

#382E76

accent

#43E559

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#151509

muted

#84847D

Preview Lab

Preview with #B9CF31

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

Preview Lab → · Contrast checker → · Palette generator →