#ACEF66#ACEF66

#ACEF66 is a very light, vivid yellow-green. Relative luminance 0.715; OKLCH L 87.9% C 0.181 H 131.1°. Best body text is #000000 at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#ACEF66
RGB	rgb(172, 239, 102)
HSL	hsl(89, 81%, 67%)
HSV	hsv(89, 57%, 94%)
CMYK	cmyk(28%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(87.71, -42.65, 58.48)
CIE-LCH	lch(87.71, 72.38, 126.10°)
OKLab	oklab(87.95% -0.1193 0.1367)
OKLCH	oklch(87.95% 0.181 131.1)
XYZ	xyz(50.2775, 71.4615, 23.7123)
Luminance	0.7146 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACEF66 #A966EF

analogous

#EFED66 #ACEF66 #68EF66

triadic

#ACEF66 #66ACEF #EF66AC

tetradic

#ACEF66 #66EFED #A966EF #EF6668

square

#ACEF66 #66EFED #A966EF #EF6668

split-complementary

#ACEF66 #6668EF #ED66EF

monochromatic

#6FC615 #8EE92F #ACEF66 #CAF59D #E8FBD5

Accessibility & contrast

On white

1.37

#ACEF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.29

#ACEF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACEF66

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACEF66	#FFFFFF	#000000	##000000
##ACEF66	1.00	1.37	15.29	15.29
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.29	21.00	1.00	1.00
##000000	15.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DF58

Deuteranopia (green-blind)

#EFDA70

Tritanopia (blue-blind)

#AFE6D1

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #acef66;
/* rgb */ color: rgb(172, 239, 102);
/* oklch */ color: oklch(87.9% 0.181 131.1);

Tailwind

colors: {
  custom: {
    50: '#c8f496',
    500: '#acef66',
    950: '#000000',
  },
}

SCSS

$custom: #acef66;
$custom-light: #c8f496;
$custom-dark: #000000;

JSON

{
  "hex": "#acef66",
  "rgb": {
    "r": 172,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 89.343,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87947,
    "c": 0.18146,
    "h": 131.1
  },
  "luminance": 0.71463
}

Semantic roles & 50–950 ramp

primary

#ACEF66

secondary

#7B36C3

accent

#08DD70

background

#FEFFFC

surface

#FAFEF5

border

#D3D6CF

text

#13170E

muted

#83857F

Preview Lab

Preview with #ACEF66

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

Preview Lab → · Contrast checker → · Palette generator →