#B4C537#B4C537

#B4C537 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.5% C 0.161 H 116.2°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#B4C537
RGB	rgb(180, 197, 55)
HSL	hsl(67, 56%, 49%)
HSV	hsv(67, 72%, 77%)
CMYK	cmyk(8.6%, 0%, 72.1%, 22.7%)
CIE-LAB	lab(76.02, -23.56, 65.03)
CIE-LCH	lch(76.02, 69.16, 109.91°)
OKLab	oklab(78.52% -0.071 0.1443)
OKLCH	oklch(78.52% 0.161 116.2)
XYZ	xyz(39.4792, 49.9122, 11.1680)
Luminance	0.4991 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C537 #4837C5

analogous

#C58F37 #B4C537 #6DC537

triadic

#B4C537 #37B4C5 #C537B4

tetradic

#B4C537 #37C58F #4837C5 #C5376D

square

#B4C537 #37C58F #4837C5 #C5376D

split-complementary

#B4C537 #376DC5 #8F37C5

monochromatic

#5D651C #88952A #B4C537 #C7D465 #D8E195

Accessibility & contrast

On white

1.91

#B4C537 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#B4C537 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C537

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C537	#FFFFFF	#000000	##000000
##B4C537	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1C

Deuteranopia (green-blind)

#D1BC43

Tritanopia (blue-blind)

#BFBAAA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b4c537;
/* rgb */ color: rgb(180, 197, 55);
/* oklch */ color: oklch(78.5% 0.161 116.2);

Tailwind

colors: {
  custom: {
    50: '#ced678',
    500: '#b4c537',
    950: '#000000',
  },
}

SCSS

$custom: #b4c537;
$custom-light: #ced678;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c537",
  "rgb": {
    "r": 180,
    "g": 197,
    "b": 55
  },
  "hsl": {
    "h": 67.183,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.78516,
    "c": 0.16082,
    "h": 116.2
  },
  "luminance": 0.49912
}

Semantic roles & 50–950 ramp

primary

#B4C537

secondary

#938BCD

accent

#48E05A

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#141409

muted

#83837B

Preview Lab

Preview with #B4C537

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

Preview Lab → · Contrast checker → · Palette generator →