#B4C737#B4C737

#B4C737 is a light, vivid yellow. Relative luminance 0.508; OKLCH L 79.0% C 0.163 H 116.9°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4C737
RGB	rgb(180, 199, 55)
HSL	hsl(68, 57%, 50%)
HSV	hsv(68, 72%, 78%)
CMYK	cmyk(9.5%, 0%, 72.4%, 22%)
CIE-LAB	lab(76.57, -24.53, 65.57)
CIE-LCH	lch(76.57, 70.00, 110.51°)
OKLab	oklab(78.97% -0.0737 0.1454)
OKLCH	oklch(78.97% 0.163 116.9)
XYZ	xyz(39.9364, 50.8265, 11.3203)
Luminance	0.5083 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C737 #4A37C7

analogous

#C79237 #B4C737 #6CC737

triadic

#B4C737 #37B4C7 #C737B4

tetradic

#B4C737 #37C792 #4A37C7 #C7376C

square

#B4C737 #37C792 #4A37C7 #C7376C

split-complementary

#B4C737 #376CC7 #9237C7

monochromatic

#5D671C #89972A #B4C737 #C6D566 #D8E296

Accessibility & contrast

On white

1.88

#B4C737 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#B4C737 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C737

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C737	#FFFFFF	#000000	##000000
##B4C737	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC1B

Deuteranopia (green-blind)

#D3BE43

Tritanopia (blue-blind)

#BFBCAB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b4c737;
/* rgb */ color: rgb(180, 199, 55);
/* oklch */ color: oklch(79.0% 0.163 116.9);

Tailwind

colors: {
  custom: {
    50: '#ced778',
    500: '#b4c737',
    950: '#000000',
  },
}

SCSS

$custom: #b4c737;
$custom-light: #ced778;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c737",
  "rgb": {
    "r": 180,
    "g": 199,
    "b": 55
  },
  "hsl": {
    "h": 67.917,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.78965,
    "c": 0.16303,
    "h": 116.9
  },
  "luminance": 0.50826
}

Semantic roles & 50–950 ramp

primary

#B4C737

secondary

#393171

accent

#48E05C

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B4C737

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

Preview Lab → · Contrast checker → · Palette generator →