#A3E563#A3E563

#A3E563 is a very light, vivid yellow-green. Relative luminance 0.647; OKLCH L 85.1% C 0.175 H 131.7°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#A3E563
RGB	rgb(163, 229, 99)
HSL	hsl(90, 71%, 64%)
HSV	hsv(90, 57%, 90%)
CMYK	cmyk(28.8%, 0%, 56.8%, 10.2%)
CIE-LAB	lab(84.34, -41.73, 55.81)
CIE-LCH	lch(84.34, 69.69, 126.78°)
OKLab	oklab(85.08% -0.1165 0.1308)
OKLCH	oklch(85.08% 0.175 131.7)
XYZ	xyz(45.3751, 64.7246, 21.9044)
Luminance	0.6473 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E563 #A563E5

analogous

#E4E563 #A3E563 #63E564

triadic

#A3E563 #63A3E5 #E563A3

tetradic

#A3E563 #63E4E5 #A563E5 #E56463

square

#A3E563 #63E4E5 #A563E5 #E56463

split-complementary

#A3E563 #6463E5 #E563E4

monochromatic

#66B01D #84DC2F #A3E563 #C2EE97 #E1F6CC

Accessibility & contrast

On white

1.51

#A3E563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#A3E563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E563

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E563	#FFFFFF	#000000	##000000
##A3E563	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED656

Deuteranopia (green-blind)

#E5D16C

Tritanopia (blue-blind)

#A5DCC9

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a3e563;
/* rgb */ color: rgb(163, 229, 99);
/* oklch */ color: oklch(85.1% 0.175 131.7);

Tailwind

colors: {
  custom: {
    50: '#c2ed93',
    500: '#a3e563',
    950: '#000000',
  },
}

SCSS

$custom: #a3e563;
$custom-light: #c2ed93;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e563",
  "rgb": {
    "r": 163,
    "g": 229,
    "b": 99
  },
  "hsl": {
    "h": 90.462,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.85076,
    "c": 0.17518,
    "h": 131.7
  },
  "luminance": 0.64726
}

Semantic roles & 50–950 ramp

primary

#A3E563

secondary

#773BB1

accent

#12D374

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A3E563

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

Preview Lab → · Contrast checker → · Palette generator →