#B4FB63#B4FB63

#B4FB63 is a very light, vivid yellow-green. Relative luminance 0.796; OKLCH L 91.1% C 0.196 H 130.6°. Best body text is #000000 at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#B4FB63
RGB	rgb(180, 251, 99)
HSL	hsl(88, 95%, 69%)
HSV	hsv(88, 61%, 98%)
CMYK	cmyk(28.3%, 0%, 60.6%, 1.6%)
CIE-LAB	lab(91.50, -45.28, 64.14)
CIE-LCH	lch(91.50, 78.52, 125.22°)
OKLab	oklab(91.13% -0.1272 0.1484)
OKLCH	oklch(91.13% 0.196 130.6)
XYZ	xyz(55.5712, 79.5969, 24.2378)
Luminance	0.7960 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4FB63 #AA63FB

analogous

#FBF663 #B4FB63 #68FB63

triadic

#B4FB63 #63B4FB #FB63B4

tetradic

#B4FB63 #63FBF6 #AA63FB #FB6368

square

#B4FB63 #63FBF6 #AA63FB #FB6368

split-complementary

#B4FB63 #6368FB #F663FB

monochromatic

#79DE06 #97F927 #B4FB63 #D1FD9F #EDFEDA

Accessibility & contrast

On white

1.24

#B4FB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.92

#B4FB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4FB63

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4FB63	#FFFFFF	#000000	##000000
##B4FB63	1.00	1.24	16.92	16.92
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.92	21.00	1.00	1.00
##000000	16.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA51

Deuteranopia (green-blind)

#FCE56E

Tritanopia (blue-blind)

#B8F1DB

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #b4fb63;
/* rgb */ color: rgb(180, 251, 99);
/* oklch */ color: oklch(91.1% 0.196 130.6);

Tailwind

colors: {
  custom: {
    50: '#cefd95',
    500: '#b4fb63',
    950: '#000000',
  },
}

SCSS

$custom: #b4fb63;
$custom-light: #cefd95;
$custom-dark: #000000;

JSON

{
  "hex": "#b4fb63",
  "rgb": {
    "r": 180,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 88.026,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.91133,
    "c": 0.1955,
    "h": 130.6
  },
  "luminance": 0.79599
}

Semantic roles & 50–950 ramp

primary

#B4FB63

secondary

#7C2DD5

accent

#00E66B

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B4FB63

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

Preview Lab → · Contrast checker → · Palette generator →