#B5F566#B5F566

#B5F566 is a very light, vivid yellow-green. Relative luminance 0.761; OKLCH L 89.9% C 0.185 H 129.7°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#B5F566
RGB	rgb(181, 245, 102)
HSL	hsl(87, 88%, 68%)
HSV	hsv(87, 58%, 96%)
CMYK	cmyk(26.1%, 0%, 58.4%, 3.9%)
CIE-LAB	lab(89.90, -42.08, 61.10)
CIE-LCH	lch(89.90, 74.19, 124.55°)
OKLab	oklab(89.85% -0.1182 0.1422)
OKLCH	oklch(89.85% 0.185 129.7)
XYZ	xyz(54.1063, 76.0866, 24.4033)
Luminance	0.7609 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5F566 #A666F5

analogous

#F5ED66 #B5F566 #6DF566

triadic

#B5F566 #66B5F5 #F566B5

tetradic

#B5F566 #66F5ED #A666F5 #F5666D

square

#B5F566 #66F5ED #A666F5 #F5666D

split-complementary

#B5F566 #666DF5 #ED66F5

monochromatic

#7BD30E #99F12D #B5F566 #D1F99F #EDFDD9

Accessibility & contrast

On white

1.29

#B5F566 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.22

#B5F566 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F566

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5F566	#FFFFFF	#000000	##000000
##B5F566	1.00	1.29	16.22	16.22
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.22	21.00	1.00	1.00
##000000	16.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE556

Deuteranopia (green-blind)

#F6E170

Tritanopia (blue-blind)

#B9EBD6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b5f566;
/* rgb */ color: rgb(181, 245, 102);
/* oklch */ color: oklch(89.9% 0.185 129.7);

Tailwind

colors: {
  custom: {
    50: '#cef896',
    500: '#b5f566',
    950: '#000000',
  },
}

SCSS

$custom: #b5f566;
$custom-light: #cef896;
$custom-dark: #000000;

JSON

{
  "hex": "#b5f566",
  "rgb": {
    "r": 181,
    "g": 245,
    "b": 102
  },
  "hsl": {
    "h": 86.853,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.89855,
    "c": 0.18495,
    "h": 129.7
  },
  "luminance": 0.76088
}

Semantic roles & 50–950 ramp

primary

#B5F566

secondary

#7731CE

accent

#01E467

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B5F566

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

Preview Lab → · Contrast checker → · Palette generator →