#B5F063#B5F063

#B5F063 is a very light, vivid yellow-green. Relative luminance 0.730; OKLCH L 88.7% C 0.181 H 128.7°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#B5F063
RGB	rgb(181, 240, 99)
HSL	hsl(85, 82%, 66%)
HSV	hsv(85, 59%, 94%)
CMYK	cmyk(24.6%, 0%, 58.8%, 5.9%)
CIE-LAB	lab(88.47, -40.13, 60.77)
CIE-LCH	lch(88.47, 72.83, 123.44°)
OKLab	oklab(88.69% -0.1131 0.1412)
OKLCH	oklch(88.69% 0.181 128.7)
XYZ	xyz(52.4680, 73.0437, 23.1365)
Luminance	0.7305 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5F063 #9E63F0

analogous

#F0E463 #B5F063 #6FF063

triadic

#B5F063 #63B5F0 #F063B5

tetradic

#B5F063 #63F0E4 #9E63F0 #F0636F

square

#B5F063 #63F0E4 #9E63F0 #F0636F

split-complementary

#B5F063 #636FF0 #E463F0

monochromatic

#7BC613 #9BEB2B #B5F063 #CFF59B #EAFBD3

Accessibility & contrast

On white

1.35

#B5F063 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.61

#B5F063 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F063

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5F063	#FFFFFF	#000000	##000000
##B5F063	1.00	1.35	15.61	15.61
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.61	21.00	1.00	1.00
##000000	15.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE153

Deuteranopia (green-blind)

#F2DD6D

Tritanopia (blue-blind)

#BAE6D2

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b5f063;
/* rgb */ color: rgb(181, 240, 99);
/* oklch */ color: oklch(88.7% 0.181 128.7);

Tailwind

colors: {
  custom: {
    50: '#cef594',
    500: '#b5f063',
    950: '#000000',
  },
}

SCSS

$custom: #b5f063;
$custom-light: #cef594;
$custom-dark: #000000;

JSON

{
  "hex": "#b5f063",
  "rgb": {
    "r": 181,
    "g": 240,
    "b": 99
  },
  "hsl": {
    "h": 85.106,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.88686,
    "c": 0.18093,
    "h": 128.7
  },
  "luminance": 0.73045
}

Semantic roles & 50–950 ramp

primary

#B5F063

secondary

#7034C3

accent

#07DF61

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5F063

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

Preview Lab → · Contrast checker → · Palette generator →