#B5F563#B5F563

#B5F563 is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 89.8% C 0.187 H 129.5°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#B5F563
RGB	rgb(181, 245, 99)
HSL	hsl(86, 88%, 67%)
HSV	hsv(86, 60%, 96%)
CMYK	cmyk(26.1%, 0%, 59.6%, 3.9%)
CIE-LAB	lab(89.87, -42.33, 62.34)
CIE-LCH	lch(89.87, 75.36, 124.18°)
OKLab	oklab(89.82% -0.1192 0.1446)
OKLCH	oklch(89.82% 0.187 129.5)
XYZ	xyz(53.9602, 76.0281, 23.6339)
Luminance	0.7603 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5F563 #A363F5

analogous

#F5EC63 #B5F563 #6CF563

triadic

#B5F563 #63B5F5 #F563B5

tetradic

#B5F563 #63F5EC #A363F5 #F5636C

square

#B5F563 #63F5EC #A363F5 #F5636C

split-complementary

#B5F563 #636CF5 #EC63F5

monochromatic

#7BD00D #9AF129 #B5F563 #D0F99D #ECFCD6

Accessibility & contrast

On white

1.30

#B5F563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.21

#B5F563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F563

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5F563	#FFFFFF	#000000	##000000
##B5F563	1.00	1.30	16.21	16.21
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.21	21.00	1.00	1.00
##000000	16.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE553

Deuteranopia (green-blind)

#F7E16E

Tritanopia (blue-blind)

#B9EBD6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b5f563;
/* rgb */ color: rgb(181, 245, 99);
/* oklch */ color: oklch(89.8% 0.187 129.5);

Tailwind

colors: {
  custom: {
    50: '#cff894',
    500: '#b5f563',
    950: '#000000',
  },
}

SCSS

$custom: #b5f563;
$custom-light: #cff894;
$custom-dark: #000000;

JSON

{
  "hex": "#b5f563",
  "rgb": {
    "r": 181,
    "g": 245,
    "b": 99
  },
  "hsl": {
    "h": 86.301,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.89824,
    "c": 0.18736,
    "h": 129.5
  },
  "luminance": 0.76029
}

Semantic roles & 50–950 ramp

primary

#B5F563

secondary

#7530CC

accent

#01E565

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B5F563

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

Preview Lab → · Contrast checker → · Palette generator →