#B3D137#B3D137

#B3D137 is a light, vivid yellow-green. Relative luminance 0.555; OKLCH L 81.1% C 0.175 H 120.3°. Best body text is #000000 at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#B3D137
RGB	rgb(179, 209, 55)
HSL	hsl(72, 63%, 52%)
HSV	hsv(72, 74%, 82%)
CMYK	cmyk(14.4%, 0%, 73.7%, 18%)
CIE-LAB	lab(79.31, -29.72, 68.16)
CIE-LCH	lch(79.31, 74.36, 113.56°)
OKLab	oklab(81.15% -0.088 0.1509)
OKLCH	oklch(81.15% 0.175 120.3)
XYZ	xyz(42.0812, 55.4606, 12.1018)
Luminance	0.5546 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D137 #5537D1

analogous

#D1A237 #B3D137 #66D137

triadic

#B3D137 #37B3D1 #D137B3

tetradic

#B3D137 #37D1A2 #5537D1 #D13766

square

#B3D137 #37D1A2 #5537D1 #D13766

split-complementary

#B3D137 #3766D1 #A237D1

monochromatic

#62731A #8CA526 #B3D137 #C6DC69 #D9E89B

Accessibility & contrast

On white

1.74

#B3D137 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.09

#B3D137 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D137

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D137	#FFFFFF	#000000	##000000
##B3D137	1.00	1.74	12.09	12.09
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.09	21.00	1.00	1.00
##000000	12.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC516

Deuteranopia (green-blind)

#DBC545

Tritanopia (blue-blind)

#BDC6B4

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b3d137;
/* rgb */ color: rgb(179, 209, 55);
/* oklch */ color: oklch(81.1% 0.175 120.3);

Tailwind

colors: {
  custom: {
    50: '#cddf79',
    500: '#b3d137',
    950: '#000000',
  },
}

SCSS

$custom: #b3d137;
$custom-light: #cddf79;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d137",
  "rgb": {
    "r": 179,
    "g": 209,
    "b": 55
  },
  "hsl": {
    "h": 71.688,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.81146,
    "c": 0.17469,
    "h": 120.3
  },
  "luminance": 0.5546
}

Semantic roles & 50–950 ramp

primary

#B3D137

secondary

#3F307C

accent

#42E662

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B3D137

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

Preview Lab → · Contrast checker → · Palette generator →