#B4D437#B4D437

#B4D437 is a light, vivid yellow-green. Relative luminance 0.571; OKLCH L 81.9% C 0.178 H 120.7°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#B4D437
RGB	rgb(180, 212, 55)
HSL	hsl(72, 65%, 52%)
HSV	hsv(72, 74%, 83%)
CMYK	cmyk(15.1%, 0%, 74.1%, 16.9%)
CIE-LAB	lab(80.22, -30.72, 69.05)
CIE-LCH	lch(80.22, 75.58, 113.99°)
OKLab	oklab(81.9% -0.0908 0.1528)
OKLCH	oklch(81.9% 0.178 120.7)
XYZ	xyz(43.0562, 57.0662, 12.3603)
Luminance	0.5707 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D437 #5737D4

analogous

#D4A537 #B4D437 #66D437

triadic

#B4D437 #37B4D4 #D437B4

tetradic

#B4D437 #37D4A5 #5737D4 #D43766

square

#B4D437 #37D4A5 #5737D4 #D43766

split-complementary

#B4D437 #3766D4 #A537D4

monochromatic

#64771A #8EA924 #B4D437 #C7DF69 #DAEA9C

Accessibility & contrast

On white

1.69

#B4D437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#B4D437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D437

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D437	#FFFFFF	#000000	##000000
##B4D437	1.00	1.69	12.41	12.41
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.41	21.00	1.00	1.00
##000000	12.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C713

Deuteranopia (green-blind)

#DDC745

Tritanopia (blue-blind)

#BEC9B6

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b4d437;
/* rgb */ color: rgb(180, 212, 55);
/* oklch */ color: oklch(81.9% 0.178 120.7);

Tailwind

colors: {
  custom: {
    50: '#cee179',
    500: '#b4d437',
    950: '#000000',
  },
}

SCSS

$custom: #b4d437;
$custom-light: #cee179;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d437",
  "rgb": {
    "r": 180,
    "g": 212,
    "b": 55
  },
  "hsl": {
    "h": 72.229,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.81898,
    "c": 0.17772,
    "h": 120.7
  },
  "luminance": 0.57066
}

Semantic roles & 50–950 ramp

primary

#B4D437

secondary

#40307F

accent

#40E862

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D437

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

Preview Lab → · Contrast checker → · Palette generator →