#A3D557#A3D557

#A3D557 is a light, vivid yellow-green. Relative luminance 0.561; OKLCH L 81.2% C 0.164 H 127.9°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#A3D557
RGB	rgb(163, 213, 87)
HSL	hsl(84, 60%, 59%)
HSV	hsv(84, 59%, 84%)
CMYK	cmyk(23.5%, 0%, 59.2%, 16.5%)
CIE-LAB	lab(79.65, -35.67, 55.77)
CIE-LCH	lch(79.65, 66.20, 122.60°)
OKLab	oklab(81.24% -0.1007 0.1295)
OKLCH	oklch(81.24% 0.164 127.9)
XYZ	xyz(40.6187, 56.0624, 17.6961)
Luminance	0.5606 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D557 #8957D5

analogous

#D5C857 #A3D557 #64D557

triadic

#A3D557 #57A3D5 #D557A3

tetradic

#A3D557 #57D5C8 #8957D5 #D55764

square

#A3D557 #57D5C8 #8957D5 #D55764

split-complementary

#A3D557 #5764D5 #C857D5

monochromatic

#648E24 #86BF30 #A3D557 #BEE188 #D9EDB9

Accessibility & contrast

On white

1.72

#A3D557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#A3D557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D557

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D557	#FFFFFF	#000000	##000000
##A3D557	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC849

Deuteranopia (green-blind)

#D8C460

Tritanopia (blue-blind)

#A8CCBA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a3d557;
/* rgb */ color: rgb(163, 213, 87);
/* oklch */ color: oklch(81.2% 0.164 127.9);

Tailwind

colors: {
  custom: {
    50: '#c1e28b',
    500: '#a3d557',
    950: '#000000',
  },
}

SCSS

$custom: #a3d557;
$custom-light: #c1e28b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d557",
  "rgb": {
    "r": 163,
    "g": 213,
    "b": 87
  },
  "hsl": {
    "h": 83.81,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.81235,
    "c": 0.16407,
    "h": 127.9
  },
  "luminance": 0.56063
}

Semantic roles & 50–950 ramp

primary

#A3D557

secondary

#5F3C94

accent

#45E384

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13150C

muted

#82847F

Preview Lab

Preview with #A3D557

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

Preview Lab → · Contrast checker → · Palette generator →