#B5C037#B5C037

#B5C037 is a light, vivid yellow. Relative luminance 0.478; OKLCH L 77.5% C 0.155 H 114.0°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5C037
RGB	rgb(181, 192, 55)
HSL	hsl(65, 55%, 48%)
HSV	hsv(65, 71%, 75%)
CMYK	cmyk(5.7%, 0%, 71.4%, 24.7%)
CIE-LAB	lab(74.70, -20.68, 63.78)
CIE-LCH	lch(74.70, 67.05, 107.97°)
OKLab	oklab(77.48% -0.0631 0.1416)
OKLCH	oklch(77.48% 0.155 114)
XYZ	xyz(38.5964, 47.7996, 10.8067)
Luminance	0.4780 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C037 #4237C0

analogous

#C08737 #B5C037 #70C037

triadic

#B5C037 #37B5C0 #C037B5

tetradic

#B5C037 #37C087 #4237C0 #C03770

square

#B5C037 #37C087 #4237C0 #C03770

split-complementary

#B5C037 #3770C0 #8737C0

monochromatic

#5B611C #889029 #B5C037 #C9D262 #D9E092

Accessibility & contrast

On white

1.99

#B5C037 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#B5C037 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C037

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C037	#FFFFFF	#000000	##000000
##B5C037	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB71E

Deuteranopia (green-blind)

#CEB942

Tritanopia (blue-blind)

#C1B5A5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b5c037;
/* rgb */ color: rgb(181, 192, 55);
/* oklch */ color: oklch(77.5% 0.155 114.0);

Tailwind

colors: {
  custom: {
    50: '#cfd277',
    500: '#b5c037',
    950: '#000000',
  },
}

SCSS

$custom: #b5c037;
$custom-light: #cfd277;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c037",
  "rgb": {
    "r": 181,
    "g": 192,
    "b": 55
  },
  "hsl": {
    "h": 64.818,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.77479,
    "c": 0.15503,
    "h": 114
  },
  "luminance": 0.47799
}

Semantic roles & 50–950 ramp

primary

#B5C037

secondary

#8E88CB

accent

#49DF55

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141409

muted

#83827B

Preview Lab

Preview with #B5C037

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

Preview Lab → · Contrast checker → · Palette generator →