#B1C337#B1C337

#B1C337 is a light, vivid yellow. Relative luminance 0.487; OKLCH L 77.8% C 0.160 H 116.7°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#B1C337
RGB	rgb(177, 195, 55)
HSL	hsl(68, 56%, 49%)
HSV	hsv(68, 72%, 76%)
CMYK	cmyk(9.2%, 0%, 71.8%, 23.5%)
CIE-LAB	lab(75.24, -23.83, 64.20)
CIE-LCH	lch(75.24, 68.48, 110.36°)
OKLab	oklab(77.83% -0.0716 0.1426)
OKLCH	oklch(77.83% 0.16 116.7)
XYZ	xyz(38.3371, 48.6537, 10.9852)
Luminance	0.4865 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C337 #4937C3

analogous

#C38F37 #B1C337 #6BC337

triadic

#B1C337 #37B1C3 #C337B1

tetradic

#B1C337 #37C38F #4937C3 #C3376B

square

#B1C337 #37C38F #4937C3 #C3376B

split-complementary

#B1C337 #376BC3 #8F37C3

monochromatic

#5A641C #86932A #B1C337 #C5D364 #D7E194

Accessibility & contrast

On white

1.96

#B1C337 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.73

#B1C337 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C337

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C337	#FFFFFF	#000000	##000000
##B1C337	1.00	1.96	10.73	10.73
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.73	21.00	1.00	1.00
##000000	10.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B91D

Deuteranopia (green-blind)

#CFBA42

Tritanopia (blue-blind)

#BCB8A8

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b1c337;
/* rgb */ color: rgb(177, 195, 55);
/* oklch */ color: oklch(77.8% 0.160 116.7);

Tailwind

colors: {
  custom: {
    50: '#ccd577',
    500: '#b1c337',
    950: '#000000',
  },
}

SCSS

$custom: #b1c337;
$custom-light: #ccd577;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c337",
  "rgb": {
    "r": 177,
    "g": 195,
    "b": 55
  },
  "hsl": {
    "h": 67.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.77835,
    "c": 0.15959,
    "h": 116.7
  },
  "luminance": 0.48653
}

Semantic roles & 50–950 ramp

primary

#B1C337

secondary

#928ACC

accent

#49DF5C

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#141409

muted

#82837B

Preview Lab

Preview with #B1C337

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

Preview Lab → · Contrast checker → · Palette generator →