#B3F463#B3F463

#B3F463 is a very light, vivid yellow-green. Relative luminance 0.752; OKLCH L 89.5% C 0.187 H 129.8°. Best body text is #000000 at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#B3F463
RGB	rgb(179, 244, 99)
HSL	hsl(87, 87%, 67%)
HSV	hsv(87, 59%, 96%)
CMYK	cmyk(26.6%, 0%, 59.4%, 4.3%)
CIE-LAB	lab(89.48, -42.61, 61.87)
CIE-LCH	lch(89.48, 75.13, 124.55°)
OKLab	oklab(89.48% -0.1198 0.1436)
OKLCH	oklch(89.48% 0.187 129.8)
XYZ	xyz(53.1928, 75.1846, 23.5115)
Luminance	0.7519 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3F463 #A463F4

analogous

#F4ED63 #B3F463 #6AF463

triadic

#B3F463 #63B3F4 #F463B3

tetradic

#B3F463 #63F4ED #A463F4 #F4636A

square

#B3F463 #63F4ED #A463F4 #F4636A

split-complementary

#B3F463 #636AF4 #ED63F4

monochromatic

#78CE0F #97F02A #B3F463 #CFF89C #EBFCD5

Accessibility & contrast

On white

1.31

#B3F463 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.04

#B3F463 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3F463

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3F463	#FFFFFF	#000000	##000000
##B3F463	1.00	1.31	16.04	16.04
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.04	21.00	1.00	1.00
##000000	16.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE453

Deuteranopia (green-blind)

#F5DF6D

Tritanopia (blue-blind)

#B7EAD5

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b3f463;
/* rgb */ color: rgb(179, 244, 99);
/* oklch */ color: oklch(89.5% 0.187 129.8);

Tailwind

colors: {
  custom: {
    50: '#cdf894',
    500: '#b3f463',
    950: '#000000',
  },
}

SCSS

$custom: #b3f463;
$custom-light: #cdf894;
$custom-dark: #000000;

JSON

{
  "hex": "#b3f463",
  "rgb": {
    "r": 179,
    "g": 244,
    "b": 99
  },
  "hsl": {
    "h": 86.897,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.89476,
    "c": 0.18703,
    "h": 129.8
  },
  "luminance": 0.75186
}

Semantic roles & 50–950 ramp

primary

#B3F463

secondary

#7631CA

accent

#02E367

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B3F463

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

Preview Lab → · Contrast checker → · Palette generator →