#B1CC37#B1CC37

#B1CC37 is a light, vivid yellow-green. Relative luminance 0.528; OKLCH L 79.9% C 0.170 H 119.5°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#B1CC37
RGB	rgb(177, 204, 55)
HSL	hsl(71, 59%, 51%)
HSV	hsv(71, 73%, 80%)
CMYK	cmyk(13.2%, 0%, 73%, 20%)
CIE-LAB	lab(77.76, -28.16, 66.64)
CIE-LCH	lch(77.76, 72.34, 112.91°)
OKLab	oklab(79.87% -0.0836 0.1477)
OKLCH	oklch(79.87% 0.17 119.5)
XYZ	xyz(40.4147, 52.8089, 11.6777)
Luminance	0.5281 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CC37 #5237CC

analogous

#CC9C37 #B1CC37 #67CC37

triadic

#B1CC37 #37B1CC #CC37B1

tetradic

#B1CC37 #37CC9C #5237CC #CC3767

square

#B1CC37 #37CC9C #5237CC #CC3767

split-complementary

#B1CC37 #3767CC #9C37CC

monochromatic

#5E6D1C #889E28 #B1CC37 #C4D868 #D7E599

Accessibility & contrast

On white

1.82

#B1CC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#B1CC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CC37

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CC37	#FFFFFF	#000000	##000000
##B1CC37	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C019

Deuteranopia (green-blind)

#D6C144

Tritanopia (blue-blind)

#BBC1AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b1cc37;
/* rgb */ color: rgb(177, 204, 55);
/* oklch */ color: oklch(79.9% 0.170 119.5);

Tailwind

colors: {
  custom: {
    50: '#ccdb78',
    500: '#b1cc37',
    950: '#000000',
  },
}

SCSS

$custom: #b1cc37;
$custom-light: #ccdb78;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cc37",
  "rgb": {
    "r": 177,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 70.872,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.79867,
    "c": 0.16976,
    "h": 119.5
  },
  "luminance": 0.52809
}

Semantic roles & 50–950 ramp

primary

#B1CC37

secondary

#3D3176

accent

#45E362

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CC37

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

Preview Lab → · Contrast checker → · Palette generator →