#B4C53B#B4C53B

#B4C53B is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.5% C 0.158 H 116.3°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#B4C53B
RGB	rgb(180, 197, 59)
HSL	hsl(67, 54%, 50%)
HSV	hsv(67, 70%, 77%)
CMYK	cmyk(8.6%, 0%, 70.1%, 22.7%)
CIE-LAB	lab(76.04, -23.35, 63.62)
CIE-LCH	lch(76.04, 67.77, 110.15°)
OKLab	oklab(78.54% -0.0701 0.142)
OKLCH	oklch(78.54% 0.158 116.3)
XYZ	xyz(39.5790, 49.9521, 11.6935)
Luminance	0.4995 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C53B #4C3BC5

analogous

#C5913B #B4C53B #6FC53B

triadic

#B4C53B #3BB4C5 #C53BB4

tetradic

#B4C53B #3BC591 #4C3BC5 #C53B6F

square

#B4C53B #3BC591 #4C3BC5 #C53B6F

split-complementary

#B4C53B #3B6FC5 #913BC5

monochromatic

#5E671F #89962C #B4C53B #C6D36A #D8E199

Accessibility & contrast

On white

1.91

#B4C53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.99

#B4C53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C53B

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C53B	#FFFFFF	#000000	##000000
##B4C53B	1.00	1.91	10.99	10.99
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.99	21.00	1.00	1.00
##000000	10.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB24

Deuteranopia (green-blind)

#D1BC46

Tritanopia (blue-blind)

#BFBAAA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b4c53b;
/* rgb */ color: rgb(180, 197, 59);
/* oklch */ color: oklch(78.5% 0.158 116.3);

Tailwind

colors: {
  custom: {
    50: '#ced67a',
    500: '#b4c53b',
    950: '#000000',
  },
}

SCSS

$custom: #b4c53b;
$custom-light: #ced67a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c53b",
  "rgb": {
    "r": 180,
    "g": 197,
    "b": 59
  },
  "hsl": {
    "h": 67.391,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.78544,
    "c": 0.15834,
    "h": 116.3
  },
  "luminance": 0.49952
}

Semantic roles & 50–950 ramp

primary

#B4C53B

secondary

#978FCD

accent

#4ADE5C

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#14140A

muted

#83837C

Preview Lab

Preview with #B4C53B

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

Preview Lab → · Contrast checker → · Palette generator →