#B5C91D#B5C91D

#B5C91D is a light, vivid yellow. Relative luminance 0.517; OKLCH L 79.4% C 0.177 H 116.9°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#B5C91D
RGB	rgb(181, 201, 29)
HSL	hsl(67, 75%, 45%)
HSV	hsv(67, 86%, 79%)
CMYK	cmyk(10%, 0%, 85.6%, 21.2%)
CIE-LAB	lab(77.09, -26.05, 73.31)
CIE-LCH	lch(77.09, 77.80, 109.56°)
OKLab	oklab(79.36% -0.0798 0.1576)
OKLCH	oklch(79.36% 0.177 116.9)
XYZ	xyz(40.1656, 51.6863, 9.0227)
Luminance	0.5169 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C91D #311DC9

analogous

#C9871D #B5C91D #5FC91D

triadic

#B5C91D #1DB5C9 #C91DB5

tetradic

#B5C91D #1DC987 #311DC9 #C91D5F

square

#B5C91D #1DC987 #311DC9 #C91D5F

split-complementary

#B5C91D #1D5FC9 #871DC9

monochromatic

#555E0E #859415 #B5C91D #D0E340 #DDEB75

Accessibility & contrast

On white

1.85

#B5C91D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#B5C91D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C91D

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C91D	#FFFFFF	#000000	##000000
##B5C91D	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE00

Deuteranopia (green-blind)

#D6BF32

Tritanopia (blue-blind)

#C1BDAB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b5c91d;
/* rgb */ color: rgb(181, 201, 29);
/* oklch */ color: oklch(79.4% 0.177 116.9);

Tailwind

colors: {
  custom: {
    50: '#cfd96d',
    500: '#b5c91d',
    950: '#000000',
  },
}

SCSS

$custom: #b5c91d;
$custom-light: #cfd96d;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c91d",
  "rgb": {
    "r": 181,
    "g": 201,
    "b": 29
  },
  "hsl": {
    "h": 66.977,
    "s": 74.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.79365,
    "c": 0.17664,
    "h": 116.9
  },
  "luminance": 0.51686
}

Semantic roles & 50–950 ramp

primary

#B5C91D

secondary

#292169

accent

#36F14C

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #B5C91D

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

Preview Lab → · Contrast checker → · Palette generator →