#B4C631#B4C631

#B4C631 is a light, vivid yellow. Relative luminance 0.503; OKLCH L 78.7% C 0.165 H 116.5°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#B4C631
RGB	rgb(180, 198, 49)
HSL	hsl(67, 60%, 48%)
HSV	hsv(67, 75%, 78%)
CMYK	cmyk(9.1%, 0%, 75.3%, 22.4%)
CIE-LAB	lab(76.26, -24.33, 67.26)
CIE-LCH	lch(76.26, 71.53, 109.88°)
OKLab	oklab(78.7% -0.0737 0.148)
OKLCH	oklch(78.7% 0.165 116.5)
XYZ	xyz(39.5719, 50.3138, 10.5320)
Luminance	0.5031 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C631 #4331C6

analogous

#C68D31 #B4C631 #69C631

triadic

#B4C631 #31B4C6 #C631B4

tetradic

#B4C631 #31C68D #4331C6 #C63169

square

#B4C631 #31C68D #4331C6 #C63169

split-complementary

#B4C631 #3169C6 #8D31C6

monochromatic

#5B6419 #879525 #B4C631 #C8D75D #D9E38E

Accessibility & contrast

On white

1.90

#B4C631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#B4C631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C631

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C631	#FFFFFF	#000000	##000000
##B4C631	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BB0B

Deuteranopia (green-blind)

#D2BD3E

Tritanopia (blue-blind)

#C0BBAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b4c631;
/* rgb */ color: rgb(180, 198, 49);
/* oklch */ color: oklch(78.7% 0.165 116.5);

Tailwind

colors: {
  custom: {
    50: '#ced775',
    500: '#b4c631',
    950: '#000000',
  },
}

SCSS

$custom: #b4c631;
$custom-light: #ced775;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c631",
  "rgb": {
    "r": 180,
    "g": 198,
    "b": 49
  },
  "hsl": {
    "h": 67.248,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.78704,
    "c": 0.1653,
    "h": 116.5
  },
  "luminance": 0.50313
}

Semantic roles & 50–950 ramp

primary

#B4C631

secondary

#352D6E

accent

#44E358

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B4C631

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

Preview Lab → · Contrast checker → · Palette generator →