#B1CE39#B1CE39

#B1CE39 is a light, vivid yellow-green. Relative luminance 0.538; OKLCH L 80.3% C 0.171 H 120.1°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#B1CE39
RGB	rgb(177, 206, 57)
HSL	hsl(72, 60%, 52%)
HSV	hsv(72, 72%, 81%)
CMYK	cmyk(14.1%, 0%, 72.3%, 19.2%)
CIE-LAB	lab(78.34, -29.01, 66.51)
CIE-LCH	lch(78.34, 72.56, 113.57°)
OKLab	oklab(80.33% -0.0858 0.1478)
OKLCH	oklch(80.33% 0.171 120.1)
XYZ	xyz(40.9420, 53.7853, 12.0948)
Luminance	0.5379 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CE39 #5639CE

analogous

#CEA139 #B1CE39 #67CE39

triadic

#B1CE39 #39B1CE #CE39B1

tetradic

#B1CE39 #39CEA1 #5639CE #CE3967

square

#B1CE39 #39CEA1 #5639CE #CE3967

split-complementary

#B1CE39 #3967CE #A139CE

monochromatic

#60711C #8AA228 #B1CE39 #C4DA6A #D8E69B

Accessibility & contrast

On white

1.79

#B1CE39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#B1CE39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CE39

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CE39	#FFFFFF	#000000	##000000
##B1CE39	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21C

Deuteranopia (green-blind)

#D8C246

Tritanopia (blue-blind)

#BBC3B1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #b1ce39;
/* rgb */ color: rgb(177, 206, 57);
/* oklch */ color: oklch(80.3% 0.171 120.1);

Tailwind

colors: {
  custom: {
    50: '#ccdd7a',
    500: '#b1ce39',
    950: '#000000',
  },
}

SCSS

$custom: #b1ce39;
$custom-light: #ccdd7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ce39",
  "rgb": {
    "r": 177,
    "g": 206,
    "b": 57
  },
  "hsl": {
    "h": 71.678,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.80334,
    "c": 0.17089,
    "h": 120.1
  },
  "luminance": 0.53785
}

Semantic roles & 50–950 ramp

primary

#B1CE39

secondary

#40317A

accent

#44E363

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CE39

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

Preview Lab → · Contrast checker → · Palette generator →