#B4D139#B4D139

#B4D139 is a light, vivid yellow-green. Relative luminance 0.556; OKLCH L 81.2% C 0.173 H 120.0°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#B4D139
RGB	rgb(180, 209, 57)
HSL	hsl(71, 62%, 52%)
HSV	hsv(71, 73%, 82%)
CMYK	cmyk(13.9%, 0%, 72.7%, 18%)
CIE-LAB	lab(79.39, -29.21, 67.59)
CIE-LCH	lch(79.39, 73.64, 113.38°)
OKLab	oklab(81.23% -0.0865 0.15)
OKLCH	oklch(81.23% 0.173 120)
XYZ	xyz(42.3622, 55.5998, 12.3703)
Luminance	0.5560 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D139 #5639D1

analogous

#D1A239 #B4D139 #68D139

triadic

#B4D139 #39B4D1 #D139B4

tetradic

#B4D139 #39D1A2 #5639D1 #D13968

square

#B4D139 #39D1A2 #5639D1 #D13968

split-complementary

#B4D139 #3968D1 #A239D1

monochromatic

#63751B #8EA627 #B4D139 #C7DD6B #DAE89C

Accessibility & contrast

On white

1.73

#B4D139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.12

#B4D139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D139

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D139	#FFFFFF	#000000	##000000
##B4D139	1.00	1.73	12.12	12.12
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.12	21.00	1.00	1.00
##000000	12.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC51A

Deuteranopia (green-blind)

#DBC546

Tritanopia (blue-blind)

#BEC6B4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b4d139;
/* rgb */ color: rgb(180, 209, 57);
/* oklch */ color: oklch(81.2% 0.173 120.0);

Tailwind

colors: {
  custom: {
    50: '#cedf7a',
    500: '#b4d139',
    950: '#000000',
  },
}

SCSS

$custom: #b4d139;
$custom-light: #cedf7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d139",
  "rgb": {
    "r": 180,
    "g": 209,
    "b": 57
  },
  "hsl": {
    "h": 71.447,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.81231,
    "c": 0.17316,
    "h": 120
  },
  "luminance": 0.556
}

Semantic roles & 50–950 ramp

primary

#B4D139

secondary

#40317D

accent

#42E562

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D139

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

Preview Lab → · Contrast checker → · Palette generator →