#B4D03B#B4D03B

#B4D03B is a light, vivid yellow-green. Relative luminance 0.551; OKLCH L 81.0% C 0.171 H 119.7°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#B4D03B
RGB	rgb(180, 208, 59)
HSL	hsl(71, 61%, 52%)
HSV	hsv(71, 72%, 82%)
CMYK	cmyk(13.5%, 0%, 71.6%, 18.4%)
CIE-LAB	lab(79.12, -28.64, 66.64)
CIE-LCH	lch(79.12, 72.54, 113.25°)
OKLab	oklab(81.02% -0.0848 0.1483)
OKLCH	oklch(81.02% 0.171 119.7)
XYZ	xyz(42.1685, 55.1310, 12.5567)
Luminance	0.5513 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D03B #573BD0

analogous

#D0A13B #B4D03B #6AD03B

triadic

#B4D03B #3BB4D0 #D03BB4

tetradic

#B4D03B #3BD0A1 #573BD0 #D03B6A

square

#B4D03B #3BD0A1 #573BD0 #D03B6A

split-complementary

#B4D03B #3B6AD0 #A13BD0

monochromatic

#64751C #8EA628 #B4D03B #C7DC6C #DAE89E

Accessibility & contrast

On white

1.75

#B4D03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.03

#B4D03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D03B

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D03B	#FFFFFF	#000000	##000000
##B4D03B	1.00	1.75	12.03	12.03
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.03	21.00	1.00	1.00
##000000	12.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC41F

Deuteranopia (green-blind)

#DAC448

Tritanopia (blue-blind)

#BEC5B3

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b4d03b;
/* rgb */ color: rgb(180, 208, 59);
/* oklch */ color: oklch(81.0% 0.171 119.7);

Tailwind

colors: {
  custom: {
    50: '#cede7b',
    500: '#b4d03b',
    950: '#000000',
  },
}

SCSS

$custom: #b4d03b;
$custom-light: #cede7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d03b",
  "rgb": {
    "r": 180,
    "g": 208,
    "b": 59
  },
  "hsl": {
    "h": 71.275,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.81018,
    "c": 0.17084,
    "h": 119.7
  },
  "luminance": 0.55131
}

Semantic roles & 50–950 ramp

primary

#B4D03B

secondary

#40327D

accent

#43E462

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D03B

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

Preview Lab → · Contrast checker → · Palette generator →