#A3EF63#A3EF63

#A3EF63 is a very light, vivid yellow-green. Relative luminance 0.704; OKLCH L 87.4% C 0.188 H 133.0°. Best body text is #000000 at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#A3EF63
RGB	rgb(163, 239, 99)
HSL	hsl(93, 81%, 66%)
HSV	hsv(93, 59%, 94%)
CMYK	cmyk(31.8%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(87.20, -46.05, 59.08)
CIE-LCH	lch(87.20, 74.90, 127.94°)
OKLab	oklab(87.4% -0.1284 0.1378)
OKLCH	oklch(87.4% 0.188 133)
XYZ	xyz(48.2221, 70.4186, 22.8534)
Luminance	0.7042 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 2.27

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3EF63 #AF63EF

analogous

#E9EF63 #A3EF63 #63EF69

triadic

#A3EF63 #63A3EF #EF63A3

tetradic

#A3EF63 #63E9EF #AF63EF #EF6963

square

#A3EF63 #63E9EF #AF63EF #EF6963

split-complementary

#A3EF63 #6963EF #EF63E9

monochromatic

#64C414 #82E92B #A3EF63 #C4F59B #E4FAD2

Accessibility & contrast

On white

1.39

#A3EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.08

#A3EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3EF63

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3EF63	#FFFFFF	#000000	##000000
##A3EF63	1.00	1.39	15.08	15.08
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.08	21.00	1.00	1.00
##000000	15.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE54

Deuteranopia (green-blind)

#EDD86D

Tritanopia (blue-blind)

#A4E6D1

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #a3ef63;
/* rgb */ color: rgb(163, 239, 99);
/* oklch */ color: oklch(87.4% 0.188 133.0);

Tailwind

colors: {
  custom: {
    50: '#c2f494',
    500: '#a3ef63',
    950: '#000000',
  },
}

SCSS

$custom: #a3ef63;
$custom-light: #c2f494;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ef63",
  "rgb": {
    "r": 163,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 92.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87399,
    "c": 0.18836,
    "h": 133
  },
  "luminance": 0.7042
}

Semantic roles & 50–950 ramp

primary

#A3EF63

secondary

#8135C1

accent

#08DE7C

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#13170D

muted

#82857F

Preview Lab

Preview with #A3EF63

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

Preview Lab → · Contrast checker → · Palette generator →