#A3E449#A3E449

#A3E449 is a very light, vivid yellow-green. Relative luminance 0.638; OKLCH L 84.6% C 0.194 H 129.5°. Best body text is #000000 at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#A3E449
RGB	rgb(163, 228, 73)
HSL	hsl(85, 74%, 59%)
HSV	hsv(85, 68%, 89%)
CMYK	cmyk(28.5%, 0%, 68%, 10.6%)
CIE-LAB	lab(83.84, -43.40, 65.97)
CIE-LCH	lch(83.84, 78.96, 123.34°)
OKLab	oklab(84.6% -0.1231 0.1494)
OKLCH	oklch(84.6% 0.194 129.5)
XYZ	xyz(44.0501, 63.7532, 16.2868)
Luminance	0.6375 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E449 #8A49E4

analogous

#E4D749 #A3E449 #56E449

triadic

#A3E449 #49A3E4 #E449A3

tetradic

#A3E449 #49E4D7 #8A49E4 #E44956

square

#A3E449 #49E4D7 #8A49E4 #E44956

split-complementary

#A3E449 #4956E4 #D749E4

monochromatic

#649C17 #86D11F #A3E449 #BEEC7E #D9F4B4

Accessibility & contrast

On white

1.53

#A3E449 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.75

#A3E449 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E449

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E449	#FFFFFF	#000000	##000000
##A3E449	1.00	1.53	13.75	13.75
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.75	21.00	1.00	1.00
##000000	13.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED432

Deuteranopia (green-blind)

#E5D056

Tritanopia (blue-blind)

#A7DAC5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #a3e449;
/* rgb */ color: rgb(163, 228, 73);
/* oklch */ color: oklch(84.6% 0.194 129.5);

Tailwind

colors: {
  custom: {
    50: '#c2ed84',
    500: '#a3e449',
    950: '#000000',
  },
}

SCSS

$custom: #a3e449;
$custom-light: #c2ed84;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e449",
  "rgb": {
    "r": 163,
    "g": 228,
    "b": 73
  },
  "hsl": {
    "h": 85.161,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.84596,
    "c": 0.19358,
    "h": 129.5
  },
  "luminance": 0.63754
}

Semantic roles & 50–950 ramp

primary

#A3E449

secondary

#60329F

accent

#37F185

background

#FDFEFB

surface

#F9FDF2

border

#D2D5CC

text

#13160B

muted

#82847E

Preview Lab

Preview with #A3E449

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

Preview Lab → · Contrast checker → · Palette generator →