#B3D439#B3D439

#B3D439 is a light, vivid yellow-green. Relative luminance 0.570; OKLCH L 81.8% C 0.177 H 121.1°. Best body text is #000000 at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#B3D439
RGB	rgb(179, 212, 57)
HSL	hsl(73, 64%, 53%)
HSV	hsv(73, 73%, 83%)
CMYK	cmyk(15.6%, 0%, 73.1%, 16.9%)
CIE-LAB	lab(80.16, -31.03, 68.31)
CIE-LCH	lch(80.16, 75.03, 114.43°)
OKLab	oklab(81.84% -0.0914 0.1516)
OKLCH	oklch(81.84% 0.177 121.1)
XYZ	xyz(42.8731, 56.9661, 12.6070)
Luminance	0.5697 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D439 #5A39D4

analogous

#D4A739 #B3D439 #66D439

triadic

#B3D439 #39B3D4 #D439B3

tetradic

#B3D439 #39D4A7 #5A39D4 #D43966

square

#B3D439 #39D4A7 #5A39D4 #D43966

split-complementary

#B3D439 #3966D4 #A739D4

monochromatic

#64781A #8EAB25 #B3D439 #C6DF6B #DAEA9E

Accessibility & contrast

On white

1.69

#B3D439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.39

#B3D439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D439

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D439	#FFFFFF	#000000	##000000
##B3D439	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)

#E1C719

Deuteranopia (green-blind)

#DDC747

Tritanopia (blue-blind)

#BDC9B6

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b3d439;
/* rgb */ color: rgb(179, 212, 57);
/* oklch */ color: oklch(81.8% 0.177 121.1);

Tailwind

colors: {
  custom: {
    50: '#cde17a',
    500: '#b3d439',
    950: '#000000',
  },
}

SCSS

$custom: #b3d439;
$custom-light: #cde17a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d439",
  "rgb": {
    "r": 179,
    "g": 212,
    "b": 57
  },
  "hsl": {
    "h": 72.774,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81839,
    "c": 0.177,
    "h": 121.1
  },
  "luminance": 0.56966
}

Semantic roles & 50–950 ramp

primary

#B3D439

secondary

#423180

accent

#40E764

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B3D439

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

Preview Lab → · Contrast checker → · Palette generator →