#B1E63D#B1E63D

#B1E63D is a very light, vivid yellow-green. Relative luminance 0.663; OKLCH L 85.8% C 0.197 H 125.8°. Best body text is #000000 at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#B1E63D
RGB	rgb(177, 230, 61)
HSL	hsl(79, 77%, 57%)
HSV	hsv(79, 73%, 90%)
CMYK	cmyk(23%, 0%, 73.5%, 9.8%)
CIE-LAB	lab(85.14, -39.79, 71.74)
CIE-LCH	lch(85.14, 82.03, 119.02°)
OKLab	oklab(85.84% -0.115 0.1594)
OKLCH	oklch(85.84% 0.197 125.8)
XYZ	xyz(47.2709, 66.2770, 14.7163)
Luminance	0.6628 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E63D #723DE6

analogous

#E6C73D #B1E63D #5CE63D

triadic

#B1E63D #3DB1E6 #E63DB1

tetradic

#B1E63D #3DE6C7 #723DE6 #E63D5C

square

#B1E63D #3DE6C7 #723DE6 #E63D5C

split-complementary

#B1E63D #3D5CE6 #C73DE6

monochromatic

#6D9513 #94CC1A #B1E63D #C7ED73 #DDF4A9

Accessibility & contrast

On white

1.47

#B1E63D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.26

#B1E63D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E63D

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E63D	#FFFFFF	#000000	##000000
##B1E63D	1.00	1.47	14.26	14.26
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.26	21.00	1.00	1.00
##000000	14.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D718

Deuteranopia (green-blind)

#EBD44D

Tritanopia (blue-blind)

#B9DBC6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b1e63d;
/* rgb */ color: rgb(177, 230, 61);
/* oklch */ color: oklch(85.8% 0.197 125.8);

Tailwind

colors: {
  custom: {
    50: '#cdee7e',
    500: '#b1e63d',
    950: '#000000',
  },
}

SCSS

$custom: #b1e63d;
$custom-light: #cdee7e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e63d",
  "rgb": {
    "r": 177,
    "g": 230,
    "b": 61
  },
  "hsl": {
    "h": 78.817,
    "s": 77.169,
    "l": 57.059
  },
  "oklch": {
    "l": 0.85838,
    "c": 0.1966,
    "h": 125.8
  },
  "luminance": 0.66278
}

Semantic roles & 50–950 ramp

primary

#B1E63D

secondary

#502E99

accent

#34F470

background

#FEFFFB

surface

#FBFEF2

border

#D4D6CC

text

#14160B

muted

#83857E

Preview Lab

Preview with #B1E63D

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

Preview Lab → · Contrast checker → · Palette generator →