#B3D437#B3D437

#B3D437 is a light, vivid yellow-green. Relative luminance 0.569; OKLCH L 81.8% C 0.178 H 121.1°. Best body text is #000000 at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#B3D437
RGB	rgb(179, 212, 55)
HSL	hsl(73, 65%, 52%)
HSV	hsv(73, 74%, 83%)
CMYK	cmyk(15.6%, 0%, 74.1%, 16.9%)
CIE-LAB	lab(80.15, -31.12, 68.96)
CIE-LCH	lch(80.15, 75.66, 114.29°)
OKLab	oklab(81.83% -0.0919 0.1526)
OKLCH	oklch(81.83% 0.178 121.1)
XYZ	xyz(42.8242, 56.9466, 12.3494)
Luminance	0.5695 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D437 #5837D4

analogous

#D4A637 #B3D437 #65D437

triadic

#B3D437 #37B3D4 #D437B3

tetradic

#B3D437 #37D4A6 #5837D4 #D43765

square

#B3D437 #37D4A6 #5837D4 #D43765

split-complementary

#B3D437 #3765D4 #A637D4

monochromatic

#63771A #8DA924 #B3D437 #C6DF69 #D9EA9C

Accessibility & contrast

On white

1.69

#B3D437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.39

#B3D437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D437

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D437	#FFFFFF	#000000	##000000
##B3D437	1.00	1.69	12.39	12.39
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.39	21.00	1.00	1.00
##000000	12.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C714

Deuteranopia (green-blind)

#DDC745

Tritanopia (blue-blind)

#BDC9B6

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b3d437;
/* rgb */ color: rgb(179, 212, 55);
/* oklch */ color: oklch(81.8% 0.178 121.1);

Tailwind

colors: {
  custom: {
    50: '#cee179',
    500: '#b3d437',
    950: '#000000',
  },
}

SCSS

$custom: #b3d437;
$custom-light: #cee179;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d437",
  "rgb": {
    "r": 179,
    "g": 212,
    "b": 55
  },
  "hsl": {
    "h": 72.611,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.81826,
    "c": 0.17812,
    "h": 121.1
  },
  "luminance": 0.56947
}

Semantic roles & 50–950 ramp

primary

#B3D437

secondary

#41307F

accent

#40E863

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B3D437

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

Preview Lab → · Contrast checker → · Palette generator →