#A3E45B#A3E45B

#A3E45B is a very light, vivid yellow-green. Relative luminance 0.640; OKLCH L 84.8% C 0.180 H 130.8°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#A3E45B
RGB	rgb(163, 228, 91)
HSL	hsl(88, 72%, 63%)
HSV	hsv(88, 60%, 89%)
CMYK	cmyk(28.5%, 0%, 60.1%, 10.6%)
CIE-LAB	lab(83.98, -42.02, 58.89)
CIE-LCH	lch(83.98, 72.34, 125.51°)
OKLab	oklab(84.76% -0.1179 0.1366)
OKLCH	oklch(84.76% 0.18 130.8)
XYZ	xyz(44.7355, 64.0274, 19.8970)
Luminance	0.6403 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E45B #9C5BE4

analogous

#E4E05B #A3E45B #5FE45B

triadic

#A3E45B #5BA3E4 #E45BA3

tetradic

#A3E45B #5BE4E0 #9C5BE4 #E45B5F

square

#A3E45B #5BE4E0 #9C5BE4 #E45B5F

split-complementary

#A3E45B #5B5FE4 #E05BE4

monochromatic

#66A91C #86DB26 #A3E45B #C0ED90 #DEF5C4

Accessibility & contrast

On white

1.52

#A3E45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.81

#A3E45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E45B

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E45B	#FFFFFF	#000000	##000000
##A3E45B	1.00	1.52	13.81	13.81
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.81	21.00	1.00	1.00
##000000	13.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54B

Deuteranopia (green-blind)

#E4D065

Tritanopia (blue-blind)

#A6DBC7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #a3e45b;
/* rgb */ color: rgb(163, 228, 91);
/* oklch */ color: oklch(84.8% 0.180 130.8);

Tailwind

colors: {
  custom: {
    50: '#c2ed8e',
    500: '#a3e45b',
    950: '#000000',
  },
}

SCSS

$custom: #a3e45b;
$custom-light: #c2ed8e;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e45b",
  "rgb": {
    "r": 163,
    "g": 228,
    "b": 91
  },
  "hsl": {
    "h": 88.467,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84758,
    "c": 0.18045,
    "h": 130.8
  },
  "luminance": 0.64029
}

Semantic roles & 50–950 ramp

primary

#A3E45B

secondary

#6F39AB

accent

#12D46E

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A3E45B

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

Preview Lab → · Contrast checker → · Palette generator →