#A3D545#A3D545

#A3D545 is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.1% C 0.178 H 126.6°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#A3D545
RGB	rgb(163, 213, 69)
HSL	hsl(81, 63%, 55%)
HSV	hsv(81, 68%, 84%)
CMYK	cmyk(23.5%, 0%, 67.6%, 16.5%)
CIE-LAB	lab(79.50, -37.04, 63.01)
CIE-LCH	lch(79.50, 73.09, 120.45°)
OKLab	oklab(81.07% -0.106 0.1426)
OKLCH	oklch(81.07% 0.178 126.6)
XYZ	xyz(39.9728, 55.8040, 14.2944)
Luminance	0.5581 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D545 #7745D5

analogous

#D5BF45 #A3D545 #5BD545

triadic

#A3D545 #45A3D5 #D545A3

tetradic

#A3D545 #45D5BF #7745D5 #D5455B

square

#A3D545 #45D5BF #7745D5 #D5455B

split-complementary

#A3D545 #455BD5 #BF45D5

monochromatic

#5F821D #84B429 #A3D545 #BCE077 #D4ECA9

Accessibility & contrast

On white

1.73

#A3D545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#A3D545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D545

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D545	#FFFFFF	#000000	##000000
##A3D545	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C730

Deuteranopia (green-blind)

#D9C451

Tritanopia (blue-blind)

#A9CBB8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a3d545;
/* rgb */ color: rgb(163, 213, 69);
/* oklch */ color: oklch(81.1% 0.178 126.6);

Tailwind

colors: {
  custom: {
    50: '#c2e280',
    500: '#a3d545',
    950: '#000000',
  },
}

SCSS

$custom: #a3d545;
$custom-light: #c2e280;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d545",
  "rgb": {
    "r": 163,
    "g": 213,
    "b": 69
  },
  "hsl": {
    "h": 80.833,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.81069,
    "c": 0.17771,
    "h": 126.6
  },
  "luminance": 0.55805
}

Semantic roles & 50–950 ramp

primary

#A3D545

secondary

#523589

accent

#42E67B

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150B

muted

#82847E

Preview Lab

Preview with #A3D545

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

Preview Lab → · Contrast checker → · Palette generator →