#B3C631#B3C631

#B3C631 is a light, vivid yellow. Relative luminance 0.502; OKLCH L 78.6% C 0.166 H 116.8°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#B3C631
RGB	rgb(179, 198, 49)
HSL	hsl(68, 60%, 48%)
HSV	hsv(68, 75%, 78%)
CMYK	cmyk(9.6%, 0%, 75.3%, 22.4%)
CIE-LAB	lab(76.19, -24.74, 67.17)
CIE-LCH	lch(76.19, 71.58, 110.22°)
OKLab	oklab(78.63% -0.0748 0.1478)
OKLCH	oklch(78.63% 0.166 116.8)
XYZ	xyz(39.3399, 50.1941, 10.5212)
Luminance	0.5019 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C631 #4431C6

analogous

#C68E31 #B3C631 #68C631

triadic

#B3C631 #31B3C6 #C631B3

tetradic

#B3C631 #31C68E #4431C6 #C63168

square

#B3C631 #31C68E #4431C6 #C63168

split-complementary

#B3C631 #3168C6 #8E31C6

monochromatic

#5A6419 #879525 #B3C631 #C7D75D #D8E38E

Accessibility & contrast

On white

1.90

#B3C631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.04

#B3C631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C631

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C631	#FFFFFF	#000000	##000000
##B3C631	1.00	1.90	11.04	11.04
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.04	21.00	1.00	1.00
##000000	11.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BB0B

Deuteranopia (green-blind)

#D2BD3E

Tritanopia (blue-blind)

#BEBBAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b3c631;
/* rgb */ color: rgb(179, 198, 49);
/* oklch */ color: oklch(78.6% 0.166 116.8);

Tailwind

colors: {
  custom: {
    50: '#cdd775',
    500: '#b3c631',
    950: '#000000',
  },
}

SCSS

$custom: #b3c631;
$custom-light: #cdd775;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c631",
  "rgb": {
    "r": 179,
    "g": 198,
    "b": 49
  },
  "hsl": {
    "h": 67.651,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.78626,
    "c": 0.16564,
    "h": 116.8
  },
  "luminance": 0.50194
}

Semantic roles & 50–950 ramp

primary

#B3C631

secondary

#352D6E

accent

#44E359

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B3C631

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

Preview Lab → · Contrast checker → · Palette generator →