#ACFF66#ACFF66

#ACFF66 is a very light, highly saturated yellow-green. Relative luminance 0.813; OKLCH L 91.6% C 0.202 H 133.1°. Best body text is #000000 at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#ACFF66
RGB	rgb(172, 255, 102)
HSL	hsl(93, 100%, 70%)
HSV	hsv(93, 60%, 100%)
CMYK	cmyk(32.5%, 0%, 60%, 0%)
CIE-LAB	lab(92.24, -49.47, 63.60)
CIE-LCH	lch(92.24, 80.57, 127.88°)
OKLab	oklab(91.63% -0.1381 0.1477)
OKLCH	oklch(91.63% 0.202 133.1)
XYZ	xyz(55.1706, 81.2479, 25.3433)
Luminance	0.8125 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACFF66 #B966FF

analogous

#F9FF66 #ACFF66 #66FF6C

triadic

#ACFF66 #66ACFF #FF66AC

tetradic

#ACFF66 #66F9FF #B966FF #FF6C66

square

#ACFF66 #66F9FF #B966FF #FF6C66

split-complementary

#ACFF66 #6C66FF #FF66F9

monochromatic

#6BEB00 #8BFF29 #ACFF66 #CDFFA3 #EEFFE0

Accessibility & contrast

On white

1.22

#ACFF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.25

#ACFF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACFF66

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACFF66	#FFFFFF	#000000	##000000
##ACFF66	1.00	1.22	17.25	17.25
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.25	21.00	1.00	1.00
##000000	17.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED55

Deuteranopia (green-blind)

#FDE672

Tritanopia (blue-blind)

#ADF6DE

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #acff66;
/* rgb */ color: rgb(172, 255, 102);
/* oklch */ color: oklch(91.6% 0.202 133.1);

Tailwind

colors: {
  custom: {
    50: '#c9ff97',
    500: '#acff66',
    950: '#000000',
  },
}

SCSS

$custom: #acff66;
$custom-light: #c9ff97;
$custom-dark: #000000;

JSON

{
  "hex": "#acff66",
  "rgb": {
    "r": 172,
    "g": 255,
    "b": 102
  },
  "hsl": {
    "h": 92.549,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.91631,
    "c": 0.20216,
    "h": 133.1
  },
  "luminance": 0.8125
}

Semantic roles & 50–950 ramp

primary

#ACFF66

secondary

#8C2FDA

accent

#00E67C

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14180E

muted

#83867F

Preview Lab

Preview with #ACFF66

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

Preview Lab → · Contrast checker → · Palette generator →