#B1CE37#B1CE37

#B1CE37 is a light, vivid yellow-green. Relative luminance 0.538; OKLCH L 80.3% C 0.172 H 120.1°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#B1CE37
RGB	rgb(177, 206, 55)
HSL	hsl(72, 61%, 51%)
HSV	hsv(72, 73%, 81%)
CMYK	cmyk(14.1%, 0%, 73.3%, 19.2%)
CIE-LAB	lab(78.32, -29.11, 67.18)
CIE-LCH	lch(78.32, 73.21, 113.43°)
OKLab	oklab(80.32% -0.0862 0.1489)
OKLCH	oklch(80.32% 0.172 120.1)
XYZ	xyz(40.8931, 53.7657, 11.8372)
Luminance	0.5377 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CE37 #5437CE

analogous

#CE9F37 #B1CE37 #65CE37

triadic

#B1CE37 #37B1CE #CE37B1

tetradic

#B1CE37 #37CE9F #5437CE #CE3765

square

#B1CE37 #37CE9F #5437CE #CE3765

split-complementary

#B1CE37 #3765CE #9F37CE

monochromatic

#5F6F1B #89A027 #B1CE37 #C4DA68 #D7E699

Accessibility & contrast

On white

1.79

#B1CE37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#B1CE37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CE37

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CE37	#FFFFFF	#000000	##000000
##B1CE37	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC217

Deuteranopia (green-blind)

#D8C244

Tritanopia (blue-blind)

#BBC3B1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #b1ce37;
/* rgb */ color: rgb(177, 206, 55);
/* oklch */ color: oklch(80.3% 0.172 120.1);

Tailwind

colors: {
  custom: {
    50: '#ccdd79',
    500: '#b1ce37',
    950: '#000000',
  },
}

SCSS

$custom: #b1ce37;
$custom-light: #ccdd79;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ce37",
  "rgb": {
    "r": 177,
    "g": 206,
    "b": 55
  },
  "hsl": {
    "h": 71.523,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.80321,
    "c": 0.17205,
    "h": 120.1
  },
  "luminance": 0.53766
}

Semantic roles & 50–950 ramp

primary

#B1CE37

secondary

#3E3179

accent

#44E463

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CE37

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

Preview Lab → · Contrast checker → · Palette generator →