#A3E555#A3E555

#A3E555 is a very light, vivid yellow-green. Relative luminance 0.645; OKLCH L 84.9% C 0.186 H 130.5°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#A3E555
RGB	rgb(163, 229, 85)
HSL	hsl(88, 73%, 62%)
HSV	hsv(88, 63%, 90%)
CMYK	cmyk(28.8%, 0%, 62.9%, 10.2%)
CIE-LAB	lab(84.21, -42.95, 61.65)
CIE-LCH	lch(84.21, 75.14, 124.86°)
OKLab	oklab(84.93% -0.1209 0.1418)
OKLCH	oklch(84.93% 0.186 130.5)
XYZ	xyz(44.7629, 64.4797, 18.6800)
Luminance	0.6448 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E555 #9755E5

analogous

#E5DF55 #A3E555 #5BE555

triadic

#A3E555 #55A3E5 #E555A3

tetradic

#A3E555 #55E5DF #9755E5 #E5555B

square

#A3E555 #55E5DF #9755E5 #E5555B

split-complementary

#A3E555 #555BE5 #DF55E5

monochromatic

#66A619 #86DB22 #A3E555 #C0ED8A #DCF5BF

Accessibility & contrast

On white

1.51

#A3E555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.90

#A3E555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E555

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E555	#FFFFFF	#000000	##000000
##A3E555	1.00	1.51	13.90	13.90
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.90	21.00	1.00	1.00
##000000	13.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD543

Deuteranopia (green-blind)

#E6D060

Tritanopia (blue-blind)

#A6DCC7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a3e555;
/* rgb */ color: rgb(163, 229, 85);
/* oklch */ color: oklch(84.9% 0.186 130.5);

Tailwind

colors: {
  custom: {
    50: '#c2ed8b',
    500: '#a3e555',
    950: '#000000',
  },
}

SCSS

$custom: #a3e555;
$custom-light: #c2ed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e555",
  "rgb": {
    "r": 163,
    "g": 229,
    "b": 85
  },
  "hsl": {
    "h": 87.5,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84932,
    "c": 0.18638,
    "h": 130.5
  },
  "luminance": 0.64481
}

Semantic roles & 50–950 ramp

primary

#A3E555

secondary

#6A36A8

accent

#10D66B

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160C

muted

#82857F

Preview Lab

Preview with #A3E555

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

Preview Lab → · Contrast checker → · Palette generator →