#A3D551#A3D551

#A3D551 is a light, vivid yellow-green. Relative luminance 0.560; OKLCH L 81.2% C 0.169 H 127.4°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#A3D551
RGB	rgb(163, 213, 81)
HSL	hsl(83, 61%, 58%)
HSV	hsv(83, 62%, 84%)
CMYK	cmyk(23.5%, 0%, 62%, 16.5%)
CIE-LAB	lab(79.60, -36.16, 58.28)
CIE-LCH	lch(79.60, 68.59, 121.82°)
OKLab	oklab(81.18% -0.1026 0.1342)
OKLCH	oklch(81.18% 0.169 127.4)
XYZ	xyz(40.3837, 55.9684, 16.4584)
Luminance	0.5597 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D551 #8351D5

analogous

#D5C551 #A3D551 #61D551

triadic

#A3D551 #51A3D5 #D551A3

tetradic

#A3D551 #51D5C5 #8351D5 #D55161

square

#A3D551 #51D5C5 #8351D5 #D55161

split-complementary

#A3D551 #5161D5 #C551D5

monochromatic

#638A21 #86BC2D #A3D551 #BDE182 #D7EDB4

Accessibility & contrast

On white

1.72

#A3D551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.19

#A3D551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D551

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D551	#FFFFFF	#000000	##000000
##A3D551	1.00	1.72	12.19	12.19
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.19	21.00	1.00	1.00
##000000	12.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC741

Deuteranopia (green-blind)

#D8C45B

Tritanopia (blue-blind)

#A8CCB9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a3d551;
/* rgb */ color: rgb(163, 213, 81);
/* oklch */ color: oklch(81.2% 0.169 127.4);

Tailwind

colors: {
  custom: {
    50: '#c1e287',
    500: '#a3d551',
    950: '#000000',
  },
}

SCSS

$custom: #a3d551;
$custom-light: #c1e287;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d551",
  "rgb": {
    "r": 163,
    "g": 213,
    "b": 81
  },
  "hsl": {
    "h": 82.727,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.81175,
    "c": 0.16892,
    "h": 127.4
  },
  "luminance": 0.55969
}

Semantic roles & 50–950 ramp

primary

#A3D551

secondary

#5B3A90

accent

#44E480

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13150C

muted

#82847F

Preview Lab

Preview with #A3D551

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

Preview Lab → · Contrast checker → · Palette generator →