#AAF581#AAF581

#AAF581 is a very light, vivid yellow-green. Relative luminance 0.754; OKLCH L 89.5% C 0.166 H 135.5°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#AAF581
RGB	rgb(170, 245, 129)
HSL	hsl(99, 85%, 73%)
HSV	hsv(99, 47%, 96%)
CMYK	cmyk(30.6%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(89.60, -43.12, 48.37)
CIE-LCH	lch(89.60, 64.80, 131.71°)
OKLab	oklab(89.55% -0.1187 0.1167)
OKLCH	oklch(89.55% 0.166 135.5)
XYZ	xyz(53.1911, 75.4339, 32.5223)
Luminance	0.7544 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 3.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AAF581 #CC81F5

analogous

#E4F581 #AAF581 #81F592

triadic

#AAF581 #81AAF5 #F581AA

tetradic

#AAF581 #81E4F5 #CC81F5 #F59281

square

#AAF581 #81E4F5 #CC81F5 #F59281

split-complementary

#AAF581 #9281F5 #F581E4

monochromatic

#5EE913 #84F048 #AAF581 #D0F9BA #ECFDE3

Accessibility & contrast

On white

1.31

#AAF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.09

#AAF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AAF581

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AAF581	#FFFFFF	#000000	##000000
##AAF581	1.00	1.31	16.09	16.09
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.09	21.00	1.00	1.00
##000000	16.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE577

Deuteranopia (green-blind)

#F1DF88

Tritanopia (blue-blind)

#A9EDDA

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #aaf581;
/* rgb */ color: rgb(170, 245, 129);
/* oklch */ color: oklch(89.5% 0.166 135.5);

Tailwind

colors: {
  custom: {
    50: '#c6f9a7',
    500: '#aaf581',
    950: '#000000',
  },
}

SCSS

$custom: #aaf581;
$custom-light: #c6f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#aaf581",
  "rgb": {
    "r": 170,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 98.793,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.89546,
    "c": 0.16642,
    "h": 135.5
  },
  "luminance": 0.75436
}

Semantic roles & 50–950 ramp

primary

#AAF581

secondary

#A149D1

accent

#04E293

background

#FDFFFC

surface

#F9FFF6

border

#D2D7D0

text

#131710

muted

#828580

Preview Lab

Preview with #AAF581

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

Preview Lab → · Contrast checker → · Palette generator →