#B3CF31#B3CF31

#B3CF31 is a light, vivid yellow-green. Relative luminance 0.544; OKLCH L 80.7% C 0.176 H 119.6°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#B3CF31
RGB	rgb(179, 207, 49)
HSL	hsl(71, 62%, 50%)
HSV	hsv(71, 76%, 81%)
CMYK	cmyk(13.5%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(78.71, -29.05, 69.51)
CIE-LCH	lch(78.71, 75.34, 112.68°)
OKLab	oklab(80.66% -0.0866 0.1528)
OKLCH	oklch(80.66% 0.176 119.6)
XYZ	xyz(41.4585, 54.4313, 11.2274)
Luminance	0.5443 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CF31 #4D31CF

analogous

#CF9C31 #B3CF31 #64CF31

triadic

#B3CF31 #31B3CF #CF31B3

tetradic

#B3CF31 #31CF9C #4D31CF #CF3164

square

#B3CF31 #31CF9C #4D31CF #CF3164

split-complementary

#B3CF31 #3164CF #9C31CF

monochromatic

#5E6C19 #899E25 #B3CF31 #C5DB63 #D8E694

Accessibility & contrast

On white

1.77

#B3CF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#B3CF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CF31

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CF31	#FFFFFF	#000000	##000000
##B3CF31	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC302

Deuteranopia (green-blind)

#D9C340

Tritanopia (blue-blind)

#BEC4B2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b3cf31;
/* rgb */ color: rgb(179, 207, 49);
/* oklch */ color: oklch(80.7% 0.176 119.6);

Tailwind

colors: {
  custom: {
    50: '#cedd76',
    500: '#b3cf31',
    950: '#000000',
  },
}

SCSS

$custom: #b3cf31;
$custom-light: #cedd76;
$custom-dark: #000000;

JSON

{
  "hex": "#b3cf31",
  "rgb": {
    "r": 179,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 70.633,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.80658,
    "c": 0.17562,
    "h": 119.6
  },
  "luminance": 0.54431
}

Semantic roles & 50–950 ramp

primary

#B3CF31

secondary

#3B2E76

accent

#43E55F

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B3CF31

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

Preview Lab → · Contrast checker → · Palette generator →