#B4F577#B4F577

#B4F577 is a very light, vivid yellow-green. Relative luminance 0.763; OKLCH L 90.0% C 0.171 H 131.6°. Best body text is #000000 at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#B4F577
RGB	rgb(180, 245, 119)
HSL	hsl(91, 86%, 71%)
HSV	hsv(91, 51%, 96%)
CMYK	cmyk(26.5%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(90.02, -40.81, 53.67)
CIE-LCH	lch(90.02, 67.42, 127.25°)
OKLab	oklab(89.99% -0.1134 0.1277)
OKLCH	oklch(89.99% 0.171 131.6)
XYZ	xyz(54.8038, 76.3385, 29.2966)
Luminance	0.7634 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 2.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F577 #B877F5

analogous

#F3F577 #B4F577 #77F579

triadic

#B4F577 #77B4F5 #F577B4

tetradic

#B4F577 #77F3F5 #B877F5 #F57977

square

#B4F577 #77F3F5 #B877F5 #F57977

split-complementary

#B4F577 #7977F5 #F577F3

monochromatic

#75E111 #95F13E #B4F577 #D3F9B0 #EFFDE2

Accessibility & contrast

On white

1.29

#B4F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.27

#B4F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F577

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F577	#FFFFFF	#000000	##000000
##B4F577	1.00	1.29	16.27	16.27
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.27	21.00	1.00	1.00
##000000	16.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE66B

Deuteranopia (green-blind)

#F5E17F

Tritanopia (blue-blind)

#B6ECD8

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b4f577;
/* rgb */ color: rgb(180, 245, 119);
/* oklch */ color: oklch(90.0% 0.171 131.6);

Tailwind

colors: {
  custom: {
    50: '#cdf8a1',
    500: '#b4f577',
    950: '#000000',
  },
}

SCSS

$custom: #b4f577;
$custom-light: #cdf8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f577",
  "rgb": {
    "r": 180,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 90.952,
    "s": 86.301,
    "l": 71.373
  },
  "oklch": {
    "l": 0.8999,
    "c": 0.17075,
    "h": 131.6
  },
  "luminance": 0.7634
}

Semantic roles & 50–950 ramp

primary

#B4F577

secondary

#8A40D0

accent

#03E376

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B4F577

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

Preview Lab → · Contrast checker → · Palette generator →