#A3D451#A3D451

#A3D451 is a light, vivid yellow-green. Relative luminance 0.555; OKLCH L 80.9% C 0.168 H 127.2°. Best body text is #000000 at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#A3D451
RGB	rgb(163, 212, 81)
HSL	hsl(82, 60%, 57%)
HSV	hsv(82, 62%, 83%)
CMYK	cmyk(23.1%, 0%, 61.8%, 16.9%)
CIE-LAB	lab(79.31, -35.71, 57.97)
CIE-LCH	lch(79.31, 68.08, 121.63°)
OKLab	oklab(80.94% -0.1013 0.1335)
OKLCH	oklch(80.94% 0.168 127.2)
XYZ	xyz(40.1329, 55.4669, 16.3748)
Luminance	0.5547 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D451 #8251D4

analogous

#D4C451 #A3D451 #61D451

triadic

#A3D451 #51A3D4 #D451A3

tetradic

#A3D451 #51D4C4 #8251D4 #D45161

square

#A3D451 #51D4C4 #8251D4 #D45161

split-complementary

#A3D451 #5161D4 #C451D4

monochromatic

#628922 #86BA2E #A3D451 #BDE082 #D7ECB3

Accessibility & contrast

On white

1.74

#A3D451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.09

#A3D451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D451

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D451	#FFFFFF	#000000	##000000
##A3D451	1.00	1.74	12.09	12.09
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.09	21.00	1.00	1.00
##000000	12.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC641

Deuteranopia (green-blind)

#D7C45B

Tritanopia (blue-blind)

#A9CBB8

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #a3d451;
/* rgb */ color: rgb(163, 212, 81);
/* oklch */ color: oklch(80.9% 0.168 127.2);

Tailwind

colors: {
  custom: {
    50: '#c1e187',
    500: '#a3d451',
    950: '#000000',
  },
}

SCSS

$custom: #a3d451;
$custom-light: #c1e187;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d451",
  "rgb": {
    "r": 163,
    "g": 212,
    "b": 81
  },
  "hsl": {
    "h": 82.443,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.80943,
    "c": 0.16764,
    "h": 127.2
  },
  "luminance": 0.55468
}

Semantic roles & 50–950 ramp

primary

#A3D451

secondary

#5A3A8F

accent

#44E480

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13150C

muted

#82847F

Preview Lab

Preview with #A3D451

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

Preview Lab → · Contrast checker → · Palette generator →