#B3D031#B3D031

#B3D031 is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.9% C 0.177 H 119.8°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#B3D031
RGB	rgb(179, 208, 49)
HSL	hsl(71, 63%, 50%)
HSV	hsv(71, 76%, 82%)
CMYK	cmyk(13.9%, 0%, 76.4%, 18.4%)
CIE-LAB	lab(78.99, -29.52, 69.77)
CIE-LCH	lch(78.99, 75.76, 112.93°)
OKLab	oklab(80.88% -0.0879 0.1533)
OKLCH	oklch(80.88% 0.177 119.8)
XYZ	xyz(41.7015, 54.9174, 11.3084)
Luminance	0.5492 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D031 #4E31D0

analogous

#D09D31 #B3D031 #64D031

triadic

#B3D031 #31B3D0 #D031B3

tetradic

#B3D031 #31D09D #4E31D0 #D03164

square

#B3D031 #31D09D #4E31D0 #D03164

split-complementary

#B3D031 #3164D0 #9D31D0

monochromatic

#5E6E19 #899F24 #B3D031 #C5DB63 #D8E795

Accessibility & contrast

On white

1.75

#B3D031 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#B3D031 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D031

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D031	#FFFFFF	#000000	##000000
##B3D031	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC401

Deuteranopia (green-blind)

#DAC440

Tritanopia (blue-blind)

#BEC5B2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b3d031;
/* rgb */ color: rgb(179, 208, 49);
/* oklch */ color: oklch(80.9% 0.177 119.8);

Tailwind

colors: {
  custom: {
    50: '#cede76',
    500: '#b3d031',
    950: '#000000',
  },
}

SCSS

$custom: #b3d031;
$custom-light: #cede76;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d031",
  "rgb": {
    "r": 179,
    "g": 208,
    "b": 49
  },
  "hsl": {
    "h": 70.943,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.80884,
    "c": 0.17675,
    "h": 119.8
  },
  "luminance": 0.54917
}

Semantic roles & 50–950 ramp

primary

#B3D031

secondary

#3C2E77

accent

#42E660

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B3D031

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

Preview Lab → · Contrast checker → · Palette generator →