#66F570#66F570

#66F570 is a very light, highly saturated green. Relative luminance 0.693; OKLCH L 86.3% C 0.214 H 144.6°. Best body text is #000000 at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#66F570
RGB	rgb(102, 245, 112)
HSL	hsl(124, 88%, 68%)
HSV	hsv(124, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 54.3%, 3.9%)
CIE-LAB	lab(86.65, -64.50, 52.05)
CIE-LCH	lch(86.65, 82.88, 141.10°)
OKLab	oklab(86.32% -0.1748 0.1241)
OKLCH	oklch(86.32% 0.214 144.6)
XYZ	xyz(41.0541, 69.2956, 26.5380)
Luminance	0.6930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F570 #F566EB

analogous

#A3F566 #66F570 #66F5B7

triadic

#66F570 #7066F5 #F57066

tetradic

#66F570 #66A3F5 #F566EB #F5B766

square

#66F570 #66A3F5 #F566EB #F5B766

split-complementary

#66F570 #B766F5 #F566A3

monochromatic

#0ED31C #2DF13A #66F570 #9FF9A6 #D9FDDB

Accessibility & contrast

On white

1.41

#66F570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.86

#66F570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F570

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F570	#FFFFFF	#000000	##000000
##66F570	1.00	1.41	14.86	14.86
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.86	21.00	1.00	1.00
##000000	14.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E163

Deuteranopia (green-blind)

#E7D47A

Tritanopia (blue-blind)

#4AEFD7

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f570;
/* rgb */ color: rgb(102, 245, 112);
/* oklch */ color: oklch(86.3% 0.214 144.6);

Tailwind

colors: {
  custom: {
    50: '#9ef99c',
    500: '#66f570',
    950: '#000000',
  },
}

SCSS

$custom: #66f570;
$custom-light: #9ef99c;
$custom-dark: #000000;

JSON

{
  "hex": "#66f570",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 112
  },
  "hsl": {
    "h": 124.196,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86324,
    "c": 0.21443,
    "h": 144.6
  },
  "luminance": 0.69299
}

Semantic roles & 50–950 ramp

primary

#66F570

secondary

#CE31C3

accent

#01D4E4

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170E

muted

#80857F

Preview Lab

Preview with #66F570

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

Preview Lab → · Contrast checker → · Palette generator →