#A3F866#A3F866

#A3F866 is a very light, vivid yellow-green. Relative luminance 0.759; OKLCH L 89.5% C 0.198 H 134.2°. Best body text is #000000 at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#A3F866
RGB	rgb(163, 248, 102)
HSL	hsl(95, 91%, 69%)
HSV	hsv(95, 59%, 97%)
CMYK	cmyk(34.3%, 0%, 58.9%, 2.7%)
CIE-LAB	lab(89.80, -49.56, 60.73)
CIE-LCH	lch(89.80, 78.39, 129.22°)
OKLab	oklab(89.53% -0.1378 0.1417)
OKLCH	oklch(89.53% 0.198 134.2)
XYZ	xyz(51.0689, 75.8785, 24.5230)
Luminance	0.7588 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.04

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3F866 #BB66F8

analogous

#ECF866 #A3F866 #66F872

triadic

#A3F866 #66A3F8 #F866A3

tetradic

#A3F866 #66ECF8 #BB66F8 #F87266

square

#A3F866 #66ECF8 #BB66F8 #F87266

split-complementary

#A3F866 #7266F8 #F866EC

monochromatic

#61DA0A #80F52B #A3F866 #C6FBA1 #E9FDDB

Accessibility & contrast

On white

1.30

#A3F866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.18

#A3F866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3F866

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3F866	#FFFFFF	#000000	##000000
##A3F866	1.00	1.30	16.18	16.18
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.18	21.00	1.00	1.00
##000000	16.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE656

Deuteranopia (green-blind)

#F5DF71

Tritanopia (blue-blind)

#A3EFD9

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #a3f866;
/* rgb */ color: rgb(163, 248, 102);
/* oklch */ color: oklch(89.5% 0.198 134.2);

Tailwind

colors: {
  custom: {
    50: '#c3fb96',
    500: '#a3f866',
    950: '#000000',
  },
}

SCSS

$custom: #a3f866;
$custom-light: #c3fb96;
$custom-dark: #000000;

JSON

{
  "hex": "#a3f866",
  "rgb": {
    "r": 163,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 94.932,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.89526,
    "c": 0.19763,
    "h": 134.2
  },
  "luminance": 0.75881
}

Semantic roles & 50–950 ramp

primary

#A3F866

secondary

#8E31D2

accent

#00E686

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13170E

muted

#82857F

Preview Lab

Preview with #A3F866

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

Preview Lab → · Contrast checker → · Palette generator →