#B1E157#B1E157

#B1E157 is a very light, vivid yellow-green. Relative luminance 0.639; OKLCH L 84.9% C 0.173 H 126.1°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#B1E157
RGB	rgb(177, 225, 87)
HSL	hsl(81, 70%, 61%)
HSV	hsv(81, 61%, 88%)
CMYK	cmyk(21.3%, 0%, 61.3%, 11.8%)
CIE-LAB	lab(83.91, -35.87, 60.72)
CIE-LCH	lch(83.91, 70.52, 120.57°)
OKLab	oklab(84.9% -0.1021 0.1399)
OKLCH	oklch(84.9% 0.173 126.1)
XYZ	xyz(46.7771, 63.8850, 18.8816)
Luminance	0.6389 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E157 #8757E1

analogous

#E1CC57 #B1E157 #6CE157

triadic

#B1E157 #57B1E1 #E157B1

tetradic

#B1E157 #57E1CC #8757E1 #E1576C

square

#B1E157 #57E1CC #8757E1 #E1576C

split-complementary

#B1E157 #576CE1 #CC57E1

monochromatic

#73A11D #98D526 #B1E157 #C9EA8B #E1F4BF

Accessibility & contrast

On white

1.52

#B1E157 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#B1E157 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E157

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E157	#FFFFFF	#000000	##000000
##B1E157	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)

#ECD347

Deuteranopia (green-blind)

#E6D061

Tritanopia (blue-blind)

#B8D7C4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #b1e157;
/* rgb */ color: rgb(177, 225, 87);
/* oklch */ color: oklch(84.9% 0.173 126.1);

Tailwind

colors: {
  custom: {
    50: '#cbea8c',
    500: '#b1e157',
    950: '#000000',
  },
}

SCSS

$custom: #b1e157;
$custom-light: #cbea8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e157",
  "rgb": {
    "r": 177,
    "g": 225,
    "b": 87
  },
  "hsl": {
    "h": 80.87,
    "s": 69.697,
    "l": 61.176
  },
  "oklch": {
    "l": 0.84898,
    "c": 0.17315,
    "h": 126.1
  },
  "luminance": 0.63886
}

Semantic roles & 50–950 ramp

primary

#B1E157

secondary

#5E38A4

accent

#14D256

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B1E157

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

Preview Lab → · Contrast checker → · Palette generator →