#A3FF5A#A3FF5A

#A3FF5A is a very light, highly saturated yellow-green. Relative luminance 0.800; OKLCH L 91.0% C 0.215 H 133.9°. Best body text is #000000 at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#A3FF5A
RGB	rgb(163, 255, 90)
HSL	hsl(93, 100%, 68%)
HSV	hsv(93, 65%, 100%)
CMYK	cmyk(36.1%, 0%, 64.7%, 0%)
CIE-LAB	lab(91.70, -53.45, 67.73)
CIE-LCH	lch(91.70, 86.28, 128.28°)
OKLab	oklab(91.04% -0.1493 0.1552)
OKLCH	oklch(91.04% 0.215 133.9)
XYZ	xyz(52.7088, 80.0423, 22.3434)
Luminance	0.8004 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3FF5A #B65AFF

analogous

#F5FF5A #A3FF5A #5AFF64

triadic

#A3FF5A #5AA3FF #FF5AA3

tetradic

#A3FF5A #5AF5FF #B65AFF #FF645A

square

#A3FF5A #5AF5FF #B65AFF #FF645A

split-complementary

#A3FF5A #645AFF #FF5AF5

monochromatic

#62DF00 #81FF1D #A3FF5A #C5FF97 #E7FFD4

Accessibility & contrast

On white

1.23

#A3FF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.01

#A3FF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3FF5A

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3FF5A	#FFFFFF	#000000	##000000
##A3FF5A	1.00	1.23	17.01	17.01
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.01	21.00	1.00	1.00
##000000	17.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC44

Deuteranopia (green-blind)

#FCE568

Tritanopia (blue-blind)

#A3F5DD

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #a3ff5a;
/* rgb */ color: rgb(163, 255, 90);
/* oklch */ color: oklch(91.0% 0.215 133.9);

Tailwind

colors: {
  custom: {
    50: '#c4ff90',
    500: '#a3ff5a',
    950: '#000000',
  },
}

SCSS

$custom: #a3ff5a;
$custom-light: #c4ff90;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ff5a",
  "rgb": {
    "r": 163,
    "g": 255,
    "b": 90
  },
  "hsl": {
    "h": 93.455,
    "s": 100,
    "l": 67.647
  },
  "oklch": {
    "l": 0.91043,
    "c": 0.21537,
    "h": 133.9
  },
  "luminance": 0.80045
}

Semantic roles & 50–950 ramp

primary

#A3FF5A

secondary

#8926D7

accent

#00E680

background

#FEFFFC

surface

#FAFFF4

border

#D3D7CE

text

#13180D

muted

#83867F

Preview Lab

Preview with #A3FF5A

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

Preview Lab → · Contrast checker → · Palette generator →