#B5CF39#B5CF39

#B5CF39 is a light, vivid yellow-green. Relative luminance 0.547; OKLCH L 80.9% C 0.171 H 119.1°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#B5CF39
RGB	rgb(181, 207, 57)
HSL	hsl(70, 61%, 52%)
HSV	hsv(70, 72%, 81%)
CMYK	cmyk(12.6%, 0%, 72.5%, 18.8%)
CIE-LAB	lab(78.89, -27.86, 67.14)
CIE-LCH	lch(78.89, 72.69, 112.54°)
OKLab	oklab(80.85% -0.0828 0.149)
OKLCH	oklch(80.85% 0.171 119.1)
XYZ	xyz(42.1083, 54.7451, 12.2187)
Luminance	0.5474 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CF39 #5339CF

analogous

#CF9E39 #B5CF39 #6ACF39

triadic

#B5CF39 #39B5CF #CF39B5

tetradic

#B5CF39 #39CF9E #5339CF #CF396A

square

#B5CF39 #39CF9E #5339CF #CF396A

split-complementary

#B5CF39 #396ACF #9E39CF

monochromatic

#63721C #8EA328 #B5CF39 #C7DB6A #DAE79C

Accessibility & contrast

On white

1.76

#B5CF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#B5CF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CF39

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CF39	#FFFFFF	#000000	##000000
##B5CF39	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC31B

Deuteranopia (green-blind)

#D9C446

Tritanopia (blue-blind)

#C0C4B2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b5cf39;
/* rgb */ color: rgb(181, 207, 57);
/* oklch */ color: oklch(80.9% 0.171 119.1);

Tailwind

colors: {
  custom: {
    50: '#cfdd7a',
    500: '#b5cf39',
    950: '#000000',
  },
}

SCSS

$custom: #b5cf39;
$custom-light: #cfdd7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cf39",
  "rgb": {
    "r": 181,
    "g": 207,
    "b": 57
  },
  "hsl": {
    "h": 70.4,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.80853,
    "c": 0.17051,
    "h": 119.1
  },
  "luminance": 0.54745
}

Semantic roles & 50–950 ramp

primary

#B5CF39

secondary

#3E317B

accent

#44E460

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5CF39

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

Preview Lab → · Contrast checker → · Palette generator →