#A3F577#A3F577

#A3F577 is a very light, vivid yellow-green. Relative luminance 0.744; OKLCH L 89.0% C 0.179 H 135.8°. Best body text is #000000 at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#A3F577
RGB	rgb(163, 245, 119)
HSL	hsl(99, 86%, 71%)
HSV	hsv(99, 51%, 96%)
CMYK	cmyk(33.5%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(89.12, -46.58, 52.38)
CIE-LCH	lch(89.12, 70.10, 131.65°)
OKLab	oklab(89.03% -0.1285 0.125)
OKLCH	oklch(89.03% 0.179 135.8)
XYZ	xyz(51.0852, 74.4211, 29.1222)
Luminance	0.7442 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3F577 #C977F5

analogous

#E2F577 #A3F577 #77F58A

triadic

#A3F577 #77A3F5 #F577A3

tetradic

#A3F577 #77E2F5 #C977F5 #F58A77

square

#A3F577 #77E2F5 #C977F5 #F58A77

split-complementary

#A3F577 #8A77F5 #F577E2

monochromatic

#59E111 #7CF13E #A3F577 #CAF9B0 #ECFDE2

Accessibility & contrast

On white

1.32

#A3F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.88

#A3F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3F577

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3F577	#FFFFFF	#000000	##000000
##A3F577	1.00	1.32	15.88	15.88
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.88	21.00	1.00	1.00
##000000	15.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE46C

Deuteranopia (green-blind)

#F1DD7F

Tritanopia (blue-blind)

#A1EDD8

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #a3f577;
/* rgb */ color: rgb(163, 245, 119);
/* oklch */ color: oklch(89.0% 0.179 135.8);

Tailwind

colors: {
  custom: {
    50: '#c2f9a1',
    500: '#a3f577',
    950: '#000000',
  },
}

SCSS

$custom: #a3f577;
$custom-light: #c2f9a1;
$custom-dark: #000000;

JSON

{
  "hex": "#a3f577",
  "rgb": {
    "r": 163,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 99.048,
    "s": 86.301,
    "l": 71.373
  },
  "oklch": {
    "l": 0.89027,
    "c": 0.17925,
    "h": 135.8
  },
  "luminance": 0.74423
}

Semantic roles & 50–950 ramp

primary

#A3F577

secondary

#9E40D0

accent

#03E395

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170F

muted

#828580

Preview Lab

Preview with #A3F577

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

Preview Lab → · Contrast checker → · Palette generator →