#B4FF3D#B4FF3D

#B4FF3D is a very light, highly saturated yellow-green. Relative luminance 0.816; OKLCH L 91.8% C 0.224 H 129.1°. Best body text is #000000 at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#B4FF3D
RGB	rgb(180, 255, 61)
HSL	hsl(83, 100%, 62%)
HSV	hsv(83, 76%, 100%)
CMYK	cmyk(29.4%, 0%, 76.1%, 0%)
CIE-LAB	lab(92.38, -49.43, 78.67)
CIE-LCH	lch(92.38, 92.91, 122.14°)
OKLab	oklab(91.77% -0.1414 0.1739)
OKLCH	oklch(91.77% 0.224 129.1)
XYZ	xyz(55.4246, 81.5587, 17.2362)
Luminance	0.8156 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4FF3D #883DFF

analogous

#FFE93D #B4FF3D #53FF3D

triadic

#B4FF3D #3DB4FF #FF3DB4

tetradic

#B4FF3D #3DFFE9 #883DFF #FF3D53

square

#B4FF3D #3DFFE9 #883DFF #FF3D53

split-complementary

#B4FF3D #3D53FF #E93DFF

monochromatic

#77C200 #9CFF00 #B4FF3D #CCFF7A #E3FFB7

Accessibility & contrast

On white

1.21

#B4FF3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.31

#B4FF3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4FF3D

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4FF3D	#FFFFFF	#000000	##000000
##B4FF3D	1.00	1.21	17.31	17.31
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.31	21.00	1.00	1.00
##000000	17.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED00

Deuteranopia (green-blind)

#FFE751

Tritanopia (blue-blind)

#B9F4DB

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #b4ff3d;
/* rgb */ color: rgb(180, 255, 61);
/* oklch */ color: oklch(91.8% 0.224 129.1);

Tailwind

colors: {
  custom: {
    50: '#d0ff81',
    500: '#b4ff3d',
    950: '#000000',
  },
}

SCSS

$custom: #b4ff3d;
$custom-light: #d0ff81;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ff3d",
  "rgb": {
    "r": 180,
    "g": 255,
    "b": 61
  },
  "hsl": {
    "h": 83.196,
    "s": 100,
    "l": 61.961
  },
  "oklch": {
    "l": 0.91765,
    "c": 0.22417,
    "h": 129.1
  },
  "luminance": 0.8156
}

Semantic roles & 50–950 ramp

primary

#B4FF3D

secondary

#5E22BF

accent

#00E659

background

#FEFFFB

surface

#FBFFF2

border

#D4D7CC

text

#15180B

muted

#84867E

Preview Lab

Preview with #B4FF3D

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

Preview Lab → · Contrast checker → · Palette generator →