#B5C631#B5C631

#B5C631 is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.8% C 0.165 H 116.1°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#B5C631
RGB	rgb(181, 198, 49)
HSL	hsl(67, 60%, 48%)
HSV	hsv(67, 75%, 78%)
CMYK	cmyk(8.6%, 0%, 75.3%, 22.4%)
CIE-LAB	lab(76.34, -23.91, 67.36)
CIE-LCH	lch(76.34, 71.48, 109.54°)
OKLab	oklab(78.78% -0.0726 0.1481)
OKLCH	oklch(78.78% 0.165 116.1)
XYZ	xyz(39.8056, 50.4343, 10.5430)
Luminance	0.5043 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C631 #4231C6

analogous

#C68C31 #B5C631 #6AC631

triadic

#B5C631 #31B5C6 #C631B5

tetradic

#B5C631 #31C68C #4231C6 #C6316A

square

#B5C631 #31C68C #4231C6 #C6316A

split-complementary

#B5C631 #316AC6 #8C31C6

monochromatic

#5B6419 #889525 #B5C631 #C9D75D #D9E38E

Accessibility & contrast

On white

1.89

#B5C631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#B5C631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C631

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C631	#FFFFFF	#000000	##000000
##B5C631	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC0B

Deuteranopia (green-blind)

#D3BD3E

Tritanopia (blue-blind)

#C1BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c631;
/* rgb */ color: rgb(181, 198, 49);
/* oklch */ color: oklch(78.8% 0.165 116.1);

Tailwind

colors: {
  custom: {
    50: '#cfd775',
    500: '#b5c631',
    950: '#000000',
  },
}

SCSS

$custom: #b5c631;
$custom-light: #cfd775;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c631",
  "rgb": {
    "r": 181,
    "g": 198,
    "b": 49
  },
  "hsl": {
    "h": 66.846,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.78781,
    "c": 0.16497,
    "h": 116.1
  },
  "luminance": 0.50434
}

Semantic roles & 50–950 ramp

primary

#B5C631

secondary

#342D6E

accent

#44E356

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B5C631

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

Preview Lab → · Contrast checker → · Palette generator →