#B1CD57#B1CD57

#B1CD57 is a light, vivid yellow-green. Relative luminance 0.537; OKLCH L 80.4% C 0.148 H 121.0°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#B1CD57
RGB	rgb(177, 205, 87)
HSL	hsl(74, 54%, 57%)
HSV	hsv(74, 58%, 80%)
CMYK	cmyk(13.7%, 0%, 57.6%, 19.6%)
CIE-LAB	lab(78.29, -26.52, 54.48)
CIE-LCH	lch(78.29, 60.59, 115.96°)
OKLab	oklab(80.37% -0.0761 0.1266)
OKLCH	oklch(80.37% 0.148 121)
XYZ	xyz(41.6835, 53.6979, 17.1838)
Luminance	0.5370 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CD57 #7357CD

analogous

#CDAE57 #B1CD57 #76CD57

triadic

#B1CD57 #57B1CD #CD57B1

tetradic

#B1CD57 #57CDAE #7357CD #CD5776

square

#B1CD57 #57CDAE #7357CD #CD5776

split-complementary

#B1CD57 #5776CD #AE57CD

monochromatic

#6D8327 #94B235 #B1CD57 #C7DB86 #DDE9B5

Accessibility & contrast

On white

1.79

#B1CD57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#B1CD57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CD57

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CD57	#FFFFFF	#000000	##000000
##B1CD57	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C24A

Deuteranopia (green-blind)

#D5C25F

Tritanopia (blue-blind)

#BAC3B3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #b1cd57;
/* rgb */ color: rgb(177, 205, 87);
/* oklch */ color: oklch(80.4% 0.148 121.0);

Tailwind

colors: {
  custom: {
    50: '#cbdc8a',
    500: '#b1cd57',
    950: '#000000',
  },
}

SCSS

$custom: #b1cd57;
$custom-light: #cbdc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cd57",
  "rgb": {
    "r": 177,
    "g": 205,
    "b": 87
  },
  "hsl": {
    "h": 74.237,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.80366,
    "c": 0.14768,
    "h": 121
  },
  "luminance": 0.53698
}

Semantic roles & 50–950 ramp

primary

#B1CD57

secondary

#503E8A

accent

#4ADD6D

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1CD57

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

Preview Lab → · Contrast checker → · Palette generator →