#B3FB63#B3FB63

#B3FB63 is a very light, vivid yellow-green. Relative luminance 0.795; OKLCH L 91.1% C 0.196 H 130.8°. Best body text is #000000 at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#B3FB63
RGB	rgb(179, 251, 99)
HSL	hsl(88, 95%, 69%)
HSV	hsv(88, 61%, 98%)
CMYK	cmyk(28.7%, 0%, 60.6%, 1.6%)
CIE-LAB	lab(91.45, -45.63, 64.07)
CIE-LCH	lch(91.45, 78.66, 125.46°)
OKLab	oklab(91.07% -0.1281 0.1483)
OKLCH	oklch(91.07% 0.196 130.8)
XYZ	xyz(55.3392, 79.4773, 24.2270)
Luminance	0.7948 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3FB63 #AB63FB

analogous

#FBF763 #B3FB63 #67FB63

triadic

#B3FB63 #63B3FB #FB63B3

tetradic

#B3FB63 #63FBF7 #AB63FB #FB6367

square

#B3FB63 #63FBF7 #AB63FB #FB6367

split-complementary

#B3FB63 #6367FB #F763FB

monochromatic

#77DE06 #96F927 #B3FB63 #D0FD9F #EDFEDA

Accessibility & contrast

On white

1.24

#B3FB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.90

#B3FB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3FB63

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3FB63	#FFFFFF	#000000	##000000
##B3FB63	1.00	1.24	16.90	16.90
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.90	21.00	1.00	1.00
##000000	16.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA51

Deuteranopia (green-blind)

#FBE56E

Tritanopia (blue-blind)

#B6F1DB

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #b3fb63;
/* rgb */ color: rgb(179, 251, 99);
/* oklch */ color: oklch(91.1% 0.196 130.8);

Tailwind

colors: {
  custom: {
    50: '#cefd95',
    500: '#b3fb63',
    950: '#000000',
  },
}

SCSS

$custom: #b3fb63;
$custom-light: #cefd95;
$custom-dark: #000000;

JSON

{
  "hex": "#b3fb63",
  "rgb": {
    "r": 179,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 88.421,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.91075,
    "c": 0.19598,
    "h": 130.8
  },
  "luminance": 0.79479
}

Semantic roles & 50–950 ramp

primary

#B3FB63

secondary

#7D2DD5

accent

#00E66D

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B3FB63

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

Preview Lab → · Contrast checker → · Palette generator →