#B1E357#B1E357

#B1E357 is a very light, vivid yellow-green. Relative luminance 0.650; OKLCH L 85.4% C 0.176 H 126.5°. Best body text is #000000 at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#B1E357
RGB	rgb(177, 227, 87)
HSL	hsl(81, 71%, 62%)
HSV	hsv(81, 62%, 89%)
CMYK	cmyk(22%, 0%, 61.7%, 11%)
CIE-LAB	lab(84.47, -36.77, 61.34)
CIE-LCH	lch(84.47, 71.52, 120.94°)
OKLab	oklab(85.35% -0.1046 0.1412)
OKLCH	oklch(85.35% 0.176 126.5)
XYZ	xyz(47.3209, 64.9727, 19.0629)
Luminance	0.6497 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E357 #8957E3

analogous

#E3CF57 #B1E357 #6BE357

triadic

#B1E357 #57B1E3 #E357B1

tetradic

#B1E357 #57E3CF #8957E3 #E3576B

square

#B1E357 #57E3CF #8957E3 #E3576B

split-complementary

#B1E357 #576BE3 #CF57E3

monochromatic

#73A41B #98D924 #B1E357 #C9EC8B #E2F4C0

Accessibility & contrast

On white

1.50

#B1E357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.99

#B1E357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E357

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E357	#FFFFFF	#000000	##000000
##B1E357	1.00	1.50	13.99	13.99
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.99	21.00	1.00	1.00
##000000	13.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED546

Deuteranopia (green-blind)

#E7D261

Tritanopia (blue-blind)

#B7D9C6

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #b1e357;
/* rgb */ color: rgb(177, 227, 87);
/* oklch */ color: oklch(85.4% 0.176 126.5);

Tailwind

colors: {
  custom: {
    50: '#cbec8c',
    500: '#b1e357',
    950: '#000000',
  },
}

SCSS

$custom: #b1e357;
$custom-light: #cbec8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e357",
  "rgb": {
    "r": 177,
    "g": 227,
    "b": 87
  },
  "hsl": {
    "h": 81.429,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.85354,
    "c": 0.17568,
    "h": 126.5
  },
  "luminance": 0.64973
}

Semantic roles & 50–950 ramp

primary

#B1E357

secondary

#5F38A7

accent

#12D357

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B1E357

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

Preview Lab → · Contrast checker → · Palette generator →