#A3F478#A3F478

#A3F478 is a very light, vivid yellow-green. Relative luminance 0.738; OKLCH L 88.8% C 0.177 H 135.8°. Best body text is #000000 at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#A3F478
RGB	rgb(163, 244, 120)
HSL	hsl(99, 85%, 71%)
HSV	hsv(99, 51%, 96%)
CMYK	cmyk(33.2%, 0%, 50.8%, 4.3%)
CIE-LAB	lab(88.85, -46.04, 51.59)
CIE-LCH	lch(88.85, 69.15, 131.75°)
OKLab	oklab(88.81% -0.1269 0.1233)
OKLCH	oklch(88.81% 0.177 135.8)
XYZ	xyz(50.8438, 73.8418, 29.3396)
Luminance	0.7384 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3F478 #C978F4

analogous

#E1F478 #A3F478 #78F48B

triadic

#A3F478 #78A3F4 #F478A3

tetradic

#A3F478 #78E1F4 #C978F4 #F48B78

square

#A3F478 #78E1F4 #C978F4 #F48B78

split-complementary

#A3F478 #8B78F4 #F478E1

monochromatic

#59DF12 #7CEF3F #A3F478 #CAF9B1 #ECFDE3

Accessibility & contrast

On white

1.33

#A3F478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.77

#A3F478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3F478

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3F478	#FFFFFF	#000000	##000000
##A3F478	1.00	1.33	15.77	15.77
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.77	21.00	1.00	1.00
##000000	15.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE36D

Deuteranopia (green-blind)

#F0DD80

Tritanopia (blue-blind)

#A1ECD8

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #a3f478;
/* rgb */ color: rgb(163, 244, 120);
/* oklch */ color: oklch(88.8% 0.177 135.8);

Tailwind

colors: {
  custom: {
    50: '#c2f8a2',
    500: '#a3f478',
    950: '#000000',
  },
}

SCSS

$custom: #a3f478;
$custom-light: #c2f8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#a3f478",
  "rgb": {
    "r": 163,
    "g": 244,
    "b": 120
  },
  "hsl": {
    "h": 99.194,
    "s": 84.932,
    "l": 71.373
  },
  "oklch": {
    "l": 0.88809,
    "c": 0.17698,
    "h": 135.8
  },
  "luminance": 0.73844
}

Semantic roles & 50–950 ramp

primary

#A3F478

secondary

#9E41CF

accent

#04E195

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170F

muted

#828580

Preview Lab

Preview with #A3F478

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

Preview Lab → · Contrast checker → · Palette generator →