#B5C737#B5C737

#B5C737 is a light, vivid yellow. Relative luminance 0.509; OKLCH L 79.0% C 0.163 H 116.5°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#B5C737
RGB	rgb(181, 199, 55)
HSL	hsl(68, 57%, 50%)
HSV	hsv(68, 72%, 78%)
CMYK	cmyk(9%, 0%, 72.4%, 22%)
CIE-LAB	lab(76.65, -24.12, 65.66)
CIE-LCH	lch(76.65, 69.95, 110.17°)
OKLab	oklab(79.04% -0.0727 0.1456)
OKLCH	oklch(79.04% 0.163 116.5)
XYZ	xyz(40.1701, 50.9470, 11.3313)
Luminance	0.5095 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C737 #4937C7

analogous

#C79137 #B5C737 #6DC737

triadic

#B5C737 #37B5C7 #C737B5

tetradic

#B5C737 #37C791 #4937C7 #C7376D

square

#B5C737 #37C791 #4937C7 #C7376D

split-complementary

#B5C737 #376DC7 #9137C7

monochromatic

#5E671C #89972A #B5C737 #C7D566 #D9E296

Accessibility & contrast

On white

1.88

#B5C737 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#B5C737 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C737

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C737	#FFFFFF	#000000	##000000
##B5C737	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC1B

Deuteranopia (green-blind)

#D3BE43

Tritanopia (blue-blind)

#C0BCAB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b5c737;
/* rgb */ color: rgb(181, 199, 55);
/* oklch */ color: oklch(79.0% 0.163 116.5);

Tailwind

colors: {
  custom: {
    50: '#cfd778',
    500: '#b5c737',
    950: '#000000',
  },
}

SCSS

$custom: #b5c737;
$custom-light: #cfd778;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c737",
  "rgb": {
    "r": 181,
    "g": 199,
    "b": 55
  },
  "hsl": {
    "h": 67.5,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.79042,
    "c": 0.1627,
    "h": 116.5
  },
  "luminance": 0.50946
}

Semantic roles & 50–950 ramp

primary

#B5C737

secondary

#393171

accent

#48E05B

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B5C737

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

Preview Lab → · Contrast checker → · Palette generator →