#B1D03A#B1D03A

#B1D03A is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.8% C 0.173 H 120.7°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#B1D03A
RGB	rgb(177, 208, 58)
HSL	hsl(72, 61%, 52%)
HSV	hsv(72, 72%, 82%)
CMYK	cmyk(14.9%, 0%, 72.1%, 18.4%)
CIE-LAB	lab(78.91, -29.90, 66.72)
CIE-LCH	lch(78.91, 73.11, 114.14°)
OKLab	oklab(80.79% -0.0882 0.1484)
OKLCH	oklch(80.79% 0.173 120.7)
XYZ	xyz(41.4518, 54.7644, 12.3890)
Luminance	0.5476 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D03A #593AD0

analogous

#D0A43A #B1D03A #66D03A

triadic

#B1D03A #3AB1D0 #D03AB1

tetradic

#B1D03A #3AD0A4 #593AD0 #D03A66

square

#B1D03A #3AD0A4 #593AD0 #D03A66

split-complementary

#B1D03A #3A66D0 #A43AD0

monochromatic

#62741C #8BA527 #B1D03A #C5DC6B #D8E89D

Accessibility & contrast

On white

1.76

#B1D03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#B1D03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D03A

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D03A	#FFFFFF	#000000	##000000
##B1D03A	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC41D

Deuteranopia (green-blind)

#D9C447

Tritanopia (blue-blind)

#BBC5B3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b1d03a;
/* rgb */ color: rgb(177, 208, 58);
/* oklch */ color: oklch(80.8% 0.173 120.7);

Tailwind

colors: {
  custom: {
    50: '#ccde7a',
    500: '#b1d03a',
    950: '#000000',
  },
}

SCSS

$custom: #b1d03a;
$custom-light: #ccde7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d03a",
  "rgb": {
    "r": 177,
    "g": 208,
    "b": 58
  },
  "hsl": {
    "h": 72.4,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.80794,
    "c": 0.17261,
    "h": 120.7
  },
  "luminance": 0.54764
}

Semantic roles & 50–950 ramp

primary

#B1D03A

secondary

#41327D

accent

#43E565

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D03A

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

Preview Lab → · Contrast checker → · Palette generator →