#B3F577#B3F577

#B3F577 is a very light, vivid yellow-green. Relative luminance 0.762; OKLCH L 89.9% C 0.171 H 131.9°. Best body text is #000000 at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#B3F577
RGB	rgb(179, 245, 119)
HSL	hsl(91, 86%, 71%)
HSV	hsv(91, 51%, 96%)
CMYK	cmyk(26.9%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(89.96, -41.16, 53.59)
CIE-LCH	lch(89.96, 67.57, 127.52°)
OKLab	oklab(89.93% -0.1143 0.1275)
OKLCH	oklch(89.93% 0.171 131.9)
XYZ	xyz(54.5718, 76.2189, 29.2857)
Luminance	0.7622 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 2.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3F577 #B977F5

analogous

#F2F577 #B3F577 #77F57A

triadic

#B3F577 #77B3F5 #F577B3

tetradic

#B3F577 #77F2F5 #B977F5 #F57A77

square

#B3F577 #77F2F5 #B977F5 #F57A77

split-complementary

#B3F577 #7A77F5 #F577F2

monochromatic

#74E111 #93F13E #B3F577 #D3F9B0 #EFFDE2

Accessibility & contrast

On white

1.29

#B3F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.24

#B3F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3F577

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3F577	#FFFFFF	#000000	##000000
##B3F577	1.00	1.29	16.24	16.24
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.24	21.00	1.00	1.00
##000000	16.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE66B

Deuteranopia (green-blind)

#F5E07F

Tritanopia (blue-blind)

#B5ECD8

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b3f577;
/* rgb */ color: rgb(179, 245, 119);
/* oklch */ color: oklch(89.9% 0.171 131.9);

Tailwind

colors: {
  custom: {
    50: '#ccf8a1',
    500: '#b3f577',
    950: '#000000',
  },
}

SCSS

$custom: #b3f577;
$custom-light: #ccf8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#b3f577",
  "rgb": {
    "r": 179,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 91.429,
    "s": 86.301,
    "l": 71.373
  },
  "oklch": {
    "l": 0.89931,
    "c": 0.17123,
    "h": 131.9
  },
  "luminance": 0.7622
}

Semantic roles & 50–950 ramp

primary

#B3F577

secondary

#8C40D0

accent

#03E378

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B3F577

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

Preview Lab → · Contrast checker → · Palette generator →