#B4C337#B4C337

#B4C337 is a light, vivid yellow. Relative luminance 0.490; OKLCH L 78.1% C 0.159 H 115.5°. Best body text is #000000 at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#B4C337
RGB	rgb(180, 195, 55)
HSL	hsl(66, 56%, 49%)
HSV	hsv(66, 72%, 76%)
CMYK	cmyk(7.7%, 0%, 71.8%, 23.5%)
CIE-LAB	lab(75.46, -22.58, 64.49)
CIE-LCH	lch(75.46, 68.33, 109.30°)
OKLab	oklab(78.07% -0.0683 0.1431)
OKLCH	oklch(78.07% 0.159 115.5)
XYZ	xyz(39.0281, 49.0100, 11.0176)
Luminance	0.4901 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C337 #4637C3

analogous

#C38C37 #B4C337 #6EC337

triadic

#B4C337 #37B4C3 #C337B4

tetradic

#B4C337 #37C38C #4637C3 #C3376E

square

#B4C337 #37C38C #4637C3 #C3376E

split-complementary

#B4C337 #376EC3 #8C37C3

monochromatic

#5C641C #88932A #B4C337 #C7D364 #D8E194

Accessibility & contrast

On white

1.94

#B4C337 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.80

#B4C337 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C337

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C337	#FFFFFF	#000000	##000000
##B4C337	1.00	1.94	10.80	10.80
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.80	21.00	1.00	1.00
##000000	10.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B91D

Deuteranopia (green-blind)

#D0BB42

Tritanopia (blue-blind)

#C0B8A8

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #b4c337;
/* rgb */ color: rgb(180, 195, 55);
/* oklch */ color: oklch(78.1% 0.159 115.5);

Tailwind

colors: {
  custom: {
    50: '#ced577',
    500: '#b4c337',
    950: '#000000',
  },
}

SCSS

$custom: #b4c337;
$custom-light: #ced577;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c337",
  "rgb": {
    "r": 180,
    "g": 195,
    "b": 55
  },
  "hsl": {
    "h": 66.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.78069,
    "c": 0.1586,
    "h": 115.5
  },
  "luminance": 0.49009
}

Semantic roles & 50–950 ramp

primary

#B4C337

secondary

#918ACC

accent

#49DF59

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#141409

muted

#83837B

Preview Lab

Preview with #B4C337

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

Preview Lab → · Contrast checker → · Palette generator →