#B4C837#B4C837

#B4C837 is a light, vivid yellow. Relative luminance 0.513; OKLCH L 79.2% C 0.164 H 117.2°. Best body text is #000000 at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#B4C837
RGB	rgb(180, 200, 55)
HSL	hsl(68, 57%, 50%)
HSV	hsv(68, 73%, 78%)
CMYK	cmyk(10%, 0%, 72.5%, 21.6%)
CIE-LAB	lab(76.85, -25.01, 65.84)
CIE-LCH	lch(76.85, 70.43, 110.80°)
OKLab	oklab(79.19% -0.0751 0.146)
OKLCH	oklch(79.19% 0.164 117.2)
XYZ	xyz(40.1672, 51.2882, 11.3973)
Luminance	0.5129 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C837 #4B37C8

analogous

#C89437 #B4C837 #6BC837

triadic

#B4C837 #37B4C8 #C837B4

tetradic

#B4C837 #37C894 #4B37C8 #C8376B

square

#B4C837 #37C894 #4B37C8 #C8376B

split-complementary

#B4C837 #376BC8 #9437C8

monochromatic

#5E681D #89982A #B4C837 #C6D567 #D8E297

Accessibility & contrast

On white

1.87

#B4C837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.26

#B4C837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C837

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C837	#FFFFFF	#000000	##000000
##B4C837	1.00	1.87	11.26	11.26
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.26	21.00	1.00	1.00
##000000	11.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1A

Deuteranopia (green-blind)

#D4BF43

Tritanopia (blue-blind)

#BFBDAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b4c837;
/* rgb */ color: rgb(180, 200, 55);
/* oklch */ color: oklch(79.2% 0.164 117.2);

Tailwind

colors: {
  custom: {
    50: '#ced878',
    500: '#b4c837',
    950: '#000000',
  },
}

SCSS

$custom: #b4c837;
$custom-light: #ced878;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c837",
  "rgb": {
    "r": 180,
    "g": 200,
    "b": 55
  },
  "hsl": {
    "h": 68.276,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.7919,
    "c": 0.16415,
    "h": 117.2
  },
  "luminance": 0.51288
}

Semantic roles & 50–950 ramp

primary

#B4C837

secondary

#3A3172

accent

#48E05D

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C837

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

Preview Lab → · Contrast checker → · Palette generator →