#B4CF31#B4CF31

#B4CF31 is a light, vivid yellow-green. Relative luminance 0.546; OKLCH L 80.7% C 0.175 H 119.2°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#B4CF31
RGB	rgb(180, 207, 49)
HSL	hsl(70, 62%, 50%)
HSV	hsv(70, 76%, 81%)
CMYK	cmyk(13%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(78.78, -28.64, 69.60)
CIE-LCH	lch(78.78, 75.26, 112.37°)
OKLab	oklab(80.73% -0.0856 0.1529)
OKLCH	oklch(80.73% 0.175 119.2)
XYZ	xyz(41.6905, 54.5510, 11.2382)
Luminance	0.5455 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4CF31 #4C31CF

analogous

#CF9B31 #B4CF31 #65CF31

triadic

#B4CF31 #31B4CF #CF31B4

tetradic

#B4CF31 #31CF9B #4C31CF #CF3165

square

#B4CF31 #31CF9B #4C31CF #CF3165

split-complementary

#B4CF31 #3165CF #9B31CF

monochromatic

#5E6C19 #899E25 #B4CF31 #C6DB63 #D8E694

Accessibility & contrast

On white

1.76

#B4CF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.91

#B4CF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4CF31

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4CF31	#FFFFFF	#000000	##000000
##B4CF31	1.00	1.76	11.91	11.91
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.91	21.00	1.00	1.00
##000000	11.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC302

Deuteranopia (green-blind)

#DAC440

Tritanopia (blue-blind)

#BFC4B2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b4cf31;
/* rgb */ color: rgb(180, 207, 49);
/* oklch */ color: oklch(80.7% 0.175 119.2);

Tailwind

colors: {
  custom: {
    50: '#cedd76',
    500: '#b4cf31',
    950: '#000000',
  },
}

SCSS

$custom: #b4cf31;
$custom-light: #cedd76;
$custom-dark: #000000;

JSON

{
  "hex": "#b4cf31",
  "rgb": {
    "r": 180,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 70.253,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.80731,
    "c": 0.17524,
    "h": 119.2
  },
  "luminance": 0.54551
}

Semantic roles & 50–950 ramp

primary

#B4CF31

secondary

#3B2E76

accent

#43E55E

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B4CF31

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

Preview Lab → · Contrast checker → · Palette generator →