#B1E159#B1E159

#B1E159 is a very light, vivid yellow-green. Relative luminance 0.639; OKLCH L 84.9% C 0.172 H 126.3°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#B1E159
RGB	rgb(177, 225, 89)
HSL	hsl(81, 69%, 62%)
HSV	hsv(81, 60%, 88%)
CMYK	cmyk(21.3%, 0%, 60.4%, 11.8%)
CIE-LAB	lab(83.92, -35.71, 59.90)
CIE-LCH	lch(83.92, 69.74, 120.80°)
OKLab	oklab(84.92% -0.1015 0.1383)
OKLCH	oklch(84.92% 0.172 126.3)
XYZ	xyz(46.8599, 63.9182, 19.3179)
Luminance	0.6392 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E159 #8959E1

analogous

#E1CD59 #B1E159 #6DE159

triadic

#B1E159 #59B1E1 #E159B1

tetradic

#B1E159 #59E1CD #8959E1 #E1596D

square

#B1E159 #59E1CD #8959E1 #E1596D

split-complementary

#B1E159 #596DE1 #CD59E1

monochromatic

#73A21D #98D627 #B1E159 #C9EA8D #E2F4C1

Accessibility & contrast

On white

1.52

#B1E159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#B1E159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E159

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E159	#FFFFFF	#000000	##000000
##B1E159	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD349

Deuteranopia (green-blind)

#E5D163

Tritanopia (blue-blind)

#B7D7C4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #b1e159;
/* rgb */ color: rgb(177, 225, 89);
/* oklch */ color: oklch(84.9% 0.172 126.3);

Tailwind

colors: {
  custom: {
    50: '#cbea8d',
    500: '#b1e159',
    950: '#000000',
  },
}

SCSS

$custom: #b1e159;
$custom-light: #cbea8d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e159",
  "rgb": {
    "r": 177,
    "g": 225,
    "b": 89
  },
  "hsl": {
    "h": 81.176,
    "s": 69.388,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84918,
    "c": 0.17156,
    "h": 126.3
  },
  "luminance": 0.63919
}

Semantic roles & 50–950 ramp

primary

#B1E159

secondary

#5F39A5

accent

#14D157

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E159

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

Preview Lab → · Contrast checker → · Palette generator →