#B5FB63#B5FB63

#B5FB63 is a very light, vivid yellow-green. Relative luminance 0.797; OKLCH L 91.2% C 0.195 H 130.4°. Best body text is #000000 at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#B5FB63
RGB	rgb(181, 251, 99)
HSL	hsl(88, 95%, 69%)
HSV	hsv(88, 61%, 98%)
CMYK	cmyk(27.9%, 0%, 60.6%, 1.6%)
CIE-LAB	lab(91.56, -44.93, 64.22)
CIE-LCH	lch(91.56, 78.37, 124.98°)
OKLab	oklab(91.19% -0.1263 0.1486)
OKLCH	oklch(91.19% 0.195 130.4)
XYZ	xyz(55.8049, 79.7174, 24.2488)
Luminance	0.7972 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5FB63 #A963FB

analogous

#FBF563 #B5FB63 #69FB63

triadic

#B5FB63 #63B5FB #FB63B5

tetradic

#B5FB63 #63FBF5 #A963FB #FB6369

square

#B5FB63 #63FBF5 #A963FB #FB6369

split-complementary

#B5FB63 #6369FB #F563FB

monochromatic

#7ADE06 #99F927 #B5FB63 #D1FD9F #EEFEDA

Accessibility & contrast

On white

1.24

#B5FB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.94

#B5FB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5FB63

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5FB63	#FFFFFF	#000000	##000000
##B5FB63	1.00	1.24	16.94	16.94
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.94	21.00	1.00	1.00
##000000	16.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA51

Deuteranopia (green-blind)

#FCE56E

Tritanopia (blue-blind)

#B9F1DB

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #b5fb63;
/* rgb */ color: rgb(181, 251, 99);
/* oklch */ color: oklch(91.2% 0.195 130.4);

Tailwind

colors: {
  custom: {
    50: '#cffd95',
    500: '#b5fb63',
    950: '#000000',
  },
}

SCSS

$custom: #b5fb63;
$custom-light: #cffd95;
$custom-dark: #000000;

JSON

{
  "hex": "#b5fb63",
  "rgb": {
    "r": 181,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 87.632,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.91191,
    "c": 0.19502,
    "h": 130.4
  },
  "luminance": 0.79719
}

Semantic roles & 50–950 ramp

primary

#B5FB63

secondary

#7A2DD5

accent

#00E66A

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B5FB63

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

Preview Lab → · Contrast checker → · Palette generator →