#A3F663#A3F663

#A3F663 is a very light, vivid yellow-green. Relative luminance 0.746; OKLCH L 89.0% C 0.197 H 133.7°. Best body text is #000000 at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#A3F663
RGB	rgb(163, 246, 99)
HSL	hsl(94, 89%, 68%)
HSV	hsv(94, 60%, 96%)
CMYK	cmyk(33.7%, 0%, 59.8%, 3.5%)
CIE-LAB	lab(89.20, -49.00, 61.33)
CIE-LCH	lch(89.20, 78.50, 128.62°)
OKLab	oklab(89.03% -0.1365 0.1427)
OKLCH	oklch(89.03% 0.197 133.7)
XYZ	xyz(50.3112, 74.5969, 23.5497)
Luminance	0.7460 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.23

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3F663 #B663F6

analogous

#ECF663 #A3F663 #63F66D

triadic

#A3F663 #63A3F6 #F663A3

tetradic

#A3F663 #63ECF6 #B663F6 #F66D63

square

#A3F663 #63ECF6 #B663F6 #F66D63

split-complementary

#A3F663 #6D63F6 #F663EC

monochromatic

#62D20C #81F329 #A3F663 #C5F99D #E7FDD7

Accessibility & contrast

On white

1.32

#A3F663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.92

#A3F663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3F663

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3F663	#FFFFFF	#000000	##000000
##A3F663	1.00	1.32	15.92	15.92
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.92	21.00	1.00	1.00
##000000	15.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE453

Deuteranopia (green-blind)

#F3DE6E

Tritanopia (blue-blind)

#A3EDD7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #a3f663;
/* rgb */ color: rgb(163, 246, 99);
/* oklch */ color: oklch(89.0% 0.197 133.7);

Tailwind

colors: {
  custom: {
    50: '#c3f994',
    500: '#a3f663',
    950: '#000000',
  },
}

SCSS

$custom: #a3f663;
$custom-light: #c3f994;
$custom-dark: #000000;

JSON

{
  "hex": "#a3f663",
  "rgb": {
    "r": 163,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 93.878,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.89029,
    "c": 0.19742,
    "h": 133.7
  },
  "luminance": 0.74599
}

Semantic roles & 50–950 ramp

primary

#A3F663

secondary

#8930CE

accent

#00E682

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #A3F663

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

Preview Lab → · Contrast checker → · Palette generator →