#A3E557#A3E557

#A3E557 is a very light, vivid yellow-green. Relative luminance 0.645; OKLCH L 85.0% C 0.185 H 130.6°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#A3E557
RGB	rgb(163, 229, 87)
HSL	hsl(88, 73%, 62%)
HSV	hsv(88, 62%, 90%)
CMYK	cmyk(28.8%, 0%, 62%, 10.2%)
CIE-LAB	lab(84.23, -42.79, 60.85)
CIE-LCH	lch(84.23, 74.38, 125.11°)
OKLab	oklab(84.95% -0.1203 0.1403)
OKLCH	oklch(84.95% 0.185 130.6)
XYZ	xyz(44.8435, 64.5120, 19.1044)
Luminance	0.6451 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E557 #9957E5

analogous

#E5E057 #A3E557 #5CE557

triadic

#A3E557 #57A3E5 #E557A3

tetradic

#A3E557 #57E5E0 #9957E5 #E5575C

square

#A3E557 #57E5E0 #9957E5 #E5575C

split-complementary

#A3E557 #575CE5 #E057E5

monochromatic

#66A81A #86DD22 #A3E557 #C0ED8C #DDF5C1

Accessibility & contrast

On white

1.51

#A3E557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.90

#A3E557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E557

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E557	#FFFFFF	#000000	##000000
##A3E557	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)

#EFD546

Deuteranopia (green-blind)

#E5D062

Tritanopia (blue-blind)

#A6DCC7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a3e557;
/* rgb */ color: rgb(163, 229, 87);
/* oklch */ color: oklch(85.0% 0.185 130.6);

Tailwind

colors: {
  custom: {
    50: '#c2ed8c',
    500: '#a3e557',
    950: '#000000',
  },
}

SCSS

$custom: #a3e557;
$custom-light: #c2ed8c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e557",
  "rgb": {
    "r": 163,
    "g": 229,
    "b": 87
  },
  "hsl": {
    "h": 87.887,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.84951,
    "c": 0.18486,
    "h": 130.6
  },
  "luminance": 0.64513
}

Semantic roles & 50–950 ramp

primary

#A3E557

secondary

#6C37AA

accent

#10D56C

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160C

muted

#82857F

Preview Lab

Preview with #A3E557

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

Preview Lab → · Contrast checker → · Palette generator →