#B3D43B#B3D43B

#B3D43B is a light, vivid yellow-green. Relative luminance 0.570; OKLCH L 81.9% C 0.176 H 121.2°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#B3D43B
RGB	rgb(179, 212, 59)
HSL	hsl(73, 64%, 53%)
HSV	hsv(73, 72%, 83%)
CMYK	cmyk(15.6%, 0%, 72.2%, 16.9%)
CIE-LAB	lab(80.17, -30.92, 67.65)
CIE-LCH	lch(80.17, 74.38, 114.57°)
OKLab	oklab(81.85% -0.091 0.1505)
OKLCH	oklch(81.85% 0.176 121.2)
XYZ	xyz(42.9240, 56.9865, 12.8750)
Luminance	0.5699 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D43B #5C3BD4

analogous

#D4A83B #B3D43B #66D43B

triadic

#B3D43B #3BB3D4 #D43BB3

tetradic

#B3D43B #3BD4A8 #5C3BD4 #D43B66

square

#B3D43B #3BD4A8 #5C3BD4 #D43B66

split-complementary

#B3D43B #3B66D4 #A83BD4

monochromatic

#657A1B #8FAC26 #B3D43B #C6DF6D #DAEA9F

Accessibility & contrast

On white

1.69

#B3D43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#B3D43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D43B

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D43B	#FFFFFF	#000000	##000000
##B3D43B	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C71D

Deuteranopia (green-blind)

#DDC748

Tritanopia (blue-blind)

#BDC9B6

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b3d43b;
/* rgb */ color: rgb(179, 212, 59);
/* oklch */ color: oklch(81.9% 0.176 121.2);

Tailwind

colors: {
  custom: {
    50: '#cde17b',
    500: '#b3d43b',
    950: '#000000',
  },
}

SCSS

$custom: #b3d43b;
$custom-light: #cde17b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d43b",
  "rgb": {
    "r": 179,
    "g": 212,
    "b": 59
  },
  "hsl": {
    "h": 72.941,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81852,
    "c": 0.17585,
    "h": 121.2
  },
  "luminance": 0.56986
}

Semantic roles & 50–950 ramp

primary

#B3D43B

secondary

#433182

accent

#41E765

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B3D43B

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

Preview Lab → · Contrast checker → · Palette generator →