#B1E641#B1E641

#B1E641 is a very light, vivid yellow-green. Relative luminance 0.663; OKLCH L 85.9% C 0.194 H 126.0°. Best body text is #000000 at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#B1E641
RGB	rgb(177, 230, 65)
HSL	hsl(79, 77%, 58%)
HSV	hsv(79, 72%, 90%)
CMYK	cmyk(23%, 0%, 71.7%, 9.8%)
CIE-LAB	lab(85.16, -39.58, 70.43)
CIE-LCH	lch(85.16, 80.78, 119.34°)
OKLab	oklab(85.86% -0.1142 0.1573)
OKLCH	oklch(85.86% 0.194 126)
XYZ	xyz(47.3827, 66.3217, 15.3050)
Luminance	0.6632 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E641 #7641E6

analogous

#E6C941 #B1E641 #5EE641

triadic

#B1E641 #41B1E6 #E641B1

tetradic

#B1E641 #41E6C9 #7641E6 #E6415E

square

#B1E641 #41E6C9 #7641E6 #E6415E

split-complementary

#B1E641 #415EE6 #C941E6

monochromatic

#6E9914 #95CF1B #B1E641 #C7ED77 #DDF4AD

Accessibility & contrast

On white

1.47

#B1E641 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.26

#B1E641 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E641

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E641	#FFFFFF	#000000	##000000
##B1E641	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)

#F2D722

Deuteranopia (green-blind)

#EBD450

Tritanopia (blue-blind)

#B8DBC6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b1e641;
/* rgb */ color: rgb(177, 230, 65);
/* oklch */ color: oklch(85.9% 0.194 126.0);

Tailwind

colors: {
  custom: {
    50: '#ccee80',
    500: '#b1e641',
    950: '#000000',
  },
}

SCSS

$custom: #b1e641;
$custom-light: #ccee80;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e641",
  "rgb": {
    "r": 177,
    "g": 230,
    "b": 65
  },
  "hsl": {
    "h": 79.273,
    "s": 76.744,
    "l": 57.843
  },
  "oklch": {
    "l": 0.85863,
    "c": 0.19434,
    "h": 126
  },
  "luminance": 0.66322
}

Semantic roles & 50–950 ramp

primary

#B1E641

secondary

#522F9C

accent

#35F372

background

#FEFFFB

surface

#FBFEF2

border

#D4D6CC

text

#14160B

muted

#83857E

Preview Lab

Preview with #B1E641

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

Preview Lab → · Contrast checker → · Palette generator →