#ACF581#ACF581

#ACF581 is a very light, vivid yellow-green. Relative luminance 0.757; OKLCH L 89.7% C 0.165 H 135.0°. Best body text is #000000 at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#ACF581
RGB	rgb(172, 245, 129)
HSL	hsl(98, 85%, 73%)
HSV	hsv(98, 47%, 96%)
CMYK	cmyk(29.8%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(89.70, -42.45, 48.52)
CIE-LCH	lch(89.70, 64.47, 131.18°)
OKLab	oklab(89.66% -0.1169 0.117)
OKLCH	oklch(89.66% 0.165 135)
XYZ	xyz(53.6269, 75.6585, 32.5427)
Luminance	0.7566 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF581 #CA81F5

analogous

#E6F581 #ACF581 #81F590

triadic

#ACF581 #81ACF5 #F581AC

tetradic

#ACF581 #81E6F5 #CA81F5 #F59081

square

#ACF581 #81E6F5 #CA81F5 #F59081

split-complementary

#ACF581 #9081F5 #F581E6

monochromatic

#62E913 #87F048 #ACF581 #D1F9BA #ECFDE3

Accessibility & contrast

On white

1.30

#ACF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.13

#ACF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF581

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF581	#FFFFFF	#000000	##000000
##ACF581	1.00	1.30	16.13	16.13
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.13	21.00	1.00	1.00
##000000	16.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE577

Deuteranopia (green-blind)

#F2DF88

Tritanopia (blue-blind)

#ABEDDA

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #acf581;
/* rgb */ color: rgb(172, 245, 129);
/* oklch */ color: oklch(89.7% 0.165 135.0);

Tailwind

colors: {
  custom: {
    50: '#c7f9a8',
    500: '#acf581',
    950: '#000000',
  },
}

SCSS

$custom: #acf581;
$custom-light: #c7f9a8;
$custom-dark: #000000;

JSON

{
  "hex": "#acf581",
  "rgb": {
    "r": 172,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 97.759,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.89659,
    "c": 0.16541,
    "h": 135
  },
  "luminance": 0.7566
}

Semantic roles & 50–950 ramp

primary

#ACF581

secondary

#9F49D1

accent

#04E28F

background

#FEFFFC

surface

#FAFFF6

border

#D3D7D0

text

#131710

muted

#838580

Preview Lab

Preview with #ACF581

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

Preview Lab → · Contrast checker → · Palette generator →