#A3EF66#A3EF66

#A3EF66 is a very light, vivid yellow-green. Relative luminance 0.705; OKLCH L 87.4% C 0.186 H 133.3°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#A3EF66
RGB	rgb(163, 239, 102)
HSL	hsl(93, 81%, 67%)
HSV	hsv(93, 57%, 94%)
CMYK	cmyk(31.8%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(87.23, -45.77, 57.81)
CIE-LCH	lch(87.23, 73.73, 128.37°)
OKLab	oklab(87.43% -0.1274 0.1354)
OKLCH	oklch(87.43% 0.186 133.3)
XYZ	xyz(48.3682, 70.4771, 23.6228)
Luminance	0.7048 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3EF66 #B266EF

analogous

#E7EF66 #A3EF66 #66EF6E

triadic

#A3EF66 #66A3EF #EF66A3

tetradic

#A3EF66 #66E7EF #B266EF #EF6E66

square

#A3EF66 #66E7EF #B266EF #EF6E66

split-complementary

#A3EF66 #6E66EF #EF66E7

monochromatic

#64C615 #82E92F #A3EF66 #C4F59D #E6FBD5

Accessibility & contrast

On white

1.39

#A3EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#A3EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3EF66

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3EF66	#FFFFFF	#000000	##000000
##A3EF66	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE58

Deuteranopia (green-blind)

#EDD870

Tritanopia (blue-blind)

#A4E6D1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #a3ef66;
/* rgb */ color: rgb(163, 239, 102);
/* oklch */ color: oklch(87.4% 0.186 133.3);

Tailwind

colors: {
  custom: {
    50: '#c2f496',
    500: '#a3ef66',
    950: '#000000',
  },
}

SCSS

$custom: #a3ef66;
$custom-light: #c2f496;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ef66",
  "rgb": {
    "r": 163,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 93.285,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87432,
    "c": 0.1859,
    "h": 133.3
  },
  "luminance": 0.70479
}

Semantic roles & 50–950 ramp

primary

#A3EF66

secondary

#8436C3

accent

#08DD7E

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #A3EF66

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

Preview Lab → · Contrast checker → · Palette generator →