#B4F578#B4F578

#B4F578 is a very light, vivid yellow-green. Relative luminance 0.764; OKLCH L 90.0% C 0.170 H 131.7°. Best body text is #000000 at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#B4F578
RGB	rgb(180, 245, 120)
HSL	hsl(91, 86%, 72%)
HSV	hsv(91, 51%, 96%)
CMYK	cmyk(26.5%, 0%, 51%, 3.9%)
CIE-LAB	lab(90.03, -40.70, 53.22)
CIE-LCH	lch(90.03, 67.00, 127.41°)
OKLab	oklab(90% -0.113 0.1268)
OKLCH	oklch(90% 0.17 131.7)
XYZ	xyz(54.8642, 76.3627, 29.6145)
Luminance	0.7636 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F578 #B978F5

analogous

#F3F578 #B4F578 #78F57B

triadic

#B4F578 #78B4F5 #F578B4

tetradic

#B4F578 #78F3F5 #B978F5 #F57B78

square

#B4F578 #78F3F5 #B978F5 #F57B78

split-complementary

#B4F578 #7B78F5 #F578F3

monochromatic

#75E211 #94F13F #B4F578 #D4F9B1 #EFFDE3

Accessibility & contrast

On white

1.29

#B4F578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.27

#B4F578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F578

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F578	#FFFFFF	#000000	##000000
##B4F578	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)

#FEE66D

Deuteranopia (green-blind)

#F5E180

Tritanopia (blue-blind)

#B6ECD9

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b4f578;
/* rgb */ color: rgb(180, 245, 120);
/* oklch */ color: oklch(90.0% 0.170 131.7);

Tailwind

colors: {
  custom: {
    50: '#cdf8a2',
    500: '#b4f578',
    950: '#000000',
  },
}

SCSS

$custom: #b4f578;
$custom-light: #cdf8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f578",
  "rgb": {
    "r": 180,
    "g": 245,
    "b": 120
  },
  "hsl": {
    "h": 91.2,
    "s": 86.207,
    "l": 71.569
  },
  "oklch": {
    "l": 0.90003,
    "c": 0.16983,
    "h": 131.7
  },
  "luminance": 0.76364
}

Semantic roles & 50–950 ramp

primary

#B4F578

secondary

#8B41D0

accent

#03E377

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B4F578

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

Preview Lab → · Contrast checker → · Palette generator →