#B1CD37#B1CD37

#B1CD37 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 80.1% C 0.171 H 119.8°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#B1CD37
RGB	rgb(177, 205, 55)
HSL	hsl(71, 60%, 51%)
HSV	hsv(71, 73%, 80%)
CMYK	cmyk(13.7%, 0%, 73.2%, 19.6%)
CIE-LAB	lab(78.04, -28.64, 66.91)
CIE-LCH	lch(78.04, 72.78, 113.17°)
OKLab	oklab(80.09% -0.0849 0.1483)
OKLCH	oklch(80.09% 0.171 119.8)
XYZ	xyz(40.6532, 53.2858, 11.7572)
Luminance	0.5329 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CD37 #5337CD

analogous

#CD9E37 #B1CD37 #66CD37

triadic

#B1CD37 #37B1CD #CD37B1

tetradic

#B1CD37 #37CD9E #5337CD #CD3766

square

#B1CD37 #37CD9E #5337CD #CD3766

split-complementary

#B1CD37 #3766CD #9E37CD

monochromatic

#5F6E1C #899F28 #B1CD37 #C4D968 #D7E599

Accessibility & contrast

On white

1.80

#B1CD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#B1CD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CD37

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CD37	#FFFFFF	#000000	##000000
##B1CD37	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC118

Deuteranopia (green-blind)

#D7C144

Tritanopia (blue-blind)

#BBC2B0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #b1cd37;
/* rgb */ color: rgb(177, 205, 55);
/* oklch */ color: oklch(80.1% 0.171 119.8);

Tailwind

colors: {
  custom: {
    50: '#ccdc78',
    500: '#b1cd37',
    950: '#000000',
  },
}

SCSS

$custom: #b1cd37;
$custom-light: #ccdc78;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cd37",
  "rgb": {
    "r": 177,
    "g": 205,
    "b": 55
  },
  "hsl": {
    "h": 71.2,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.80094,
    "c": 0.17091,
    "h": 119.8
  },
  "luminance": 0.53286
}

Semantic roles & 50–950 ramp

primary

#B1CD37

secondary

#3E3177

accent

#45E362

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CD37

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

Preview Lab → · Contrast checker → · Palette generator →