#B5CD51#B5CD51

#B5CD51 is a light, vivid yellow-green. Relative luminance 0.541; OKLCH L 80.6% C 0.151 H 119.2°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#B5CD51
RGB	rgb(181, 205, 81)
HSL	hsl(72, 55%, 56%)
HSV	hsv(72, 60%, 80%)
CMYK	cmyk(11.7%, 0%, 60.5%, 19.6%)
CIE-LAB	lab(78.51, -25.40, 57.43)
CIE-LCH	lch(78.51, 62.80, 113.86°)
OKLab	oklab(80.6% -0.0738 0.1321)
OKLCH	oklch(80.6% 0.151 119.2)
XYZ	xyz(42.3732, 54.0807, 15.9894)
Luminance	0.5408 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CD51 #6951CD

analogous

#CDA751 #B5CD51 #77CD51

triadic

#B5CD51 #51B5CD #CD51B5

tetradic

#B5CD51 #51CDA7 #6951CD #CD5177

square

#B5CD51 #51CDA7 #6951CD #CD5177

split-complementary

#B5CD51 #5177CD #A751CD

monochromatic

#6E7F25 #97AF32 #B5CD51 #C9DB81 #DDE8B0

Accessibility & contrast

On white

1.78

#B5CD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#B5CD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CD51

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CD51	#FFFFFF	#000000	##000000
##B5CD51	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C243

Deuteranopia (green-blind)

#D7C359

Tritanopia (blue-blind)

#BFC3B3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #b5cd51;
/* rgb */ color: rgb(181, 205, 81);
/* oklch */ color: oklch(80.6% 0.151 119.2);

Tailwind

colors: {
  custom: {
    50: '#cedc87',
    500: '#b5cd51',
    950: '#000000',
  },
}

SCSS

$custom: #b5cd51;
$custom-light: #cedc87;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cd51",
  "rgb": {
    "r": 181,
    "g": 205,
    "b": 81
  },
  "hsl": {
    "h": 71.613,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.80598,
    "c": 0.15128,
    "h": 119.2
  },
  "luminance": 0.5408
}

Semantic roles & 50–950 ramp

primary

#B5CD51

secondary

#4A3B87

accent

#49DF66

background

#FEFEFC

surface

#FBFCF3

border

#D4D5CD

text

#14150C

muted

#83847F

Preview Lab

Preview with #B5CD51

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

Preview Lab → · Contrast checker → · Palette generator →