#B1E041#B1E041

#B1E041 is a very light, vivid yellow-green. Relative luminance 0.630; OKLCH L 84.5% C 0.187 H 124.8°. Best body text is #000000 at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#B1E041
RGB	rgb(177, 224, 65)
HSL	hsl(78, 72%, 57%)
HSV	hsv(78, 71%, 88%)
CMYK	cmyk(21%, 0%, 71%, 12.2%)
CIE-LAB	lab(83.46, -36.89, 68.75)
CIE-LCH	lch(83.46, 78.03, 118.22°)
OKLab	oklab(84.49% -0.1068 0.1538)
OKLCH	oklch(84.49% 0.187 124.8)
XYZ	xyz(45.7416, 63.0396, 14.7580)
Luminance	0.6304 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E041 #7041E0

analogous

#E0C041 #B1E041 #62E041

triadic

#B1E041 #41B1E0 #E041B1

tetradic

#B1E041 #41E0C0 #7041E0 #E04162

square

#B1E041 #41E0C0 #7041E0 #E04162

split-complementary

#B1E041 #4162E0 #C041E0

monochromatic

#6C8F17 #93C420 #B1E041 #C7E976 #DCF1AA

Accessibility & contrast

On white

1.54

#B1E041 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.61

#B1E041 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E041

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E041	#FFFFFF	#000000	##000000
##B1E041	1.00	1.54	13.61	13.61
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.61	21.00	1.00	1.00
##000000	13.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD224

Deuteranopia (green-blind)

#E6CF4F

Tritanopia (blue-blind)

#B9D5C1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #b1e041;
/* rgb */ color: rgb(177, 224, 65);
/* oklch */ color: oklch(84.5% 0.187 124.8);

Tailwind

colors: {
  custom: {
    50: '#cce97f',
    500: '#b1e041',
    950: '#000000',
  },
}

SCSS

$custom: #b1e041;
$custom-light: #cce97f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e041",
  "rgb": {
    "r": 177,
    "g": 224,
    "b": 65
  },
  "hsl": {
    "h": 77.736,
    "s": 71.946,
    "l": 56.667
  },
  "oklch": {
    "l": 0.84489,
    "c": 0.18722,
    "h": 124.8
  },
  "luminance": 0.6304
}

Semantic roles & 50–950 ramp

primary

#B1E041

secondary

#4E3194

accent

#39EF6F

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B1E041

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

Preview Lab → · Contrast checker → · Palette generator →