#66F56E#66F56E

#66F56E is a very light, highly saturated green. Relative luminance 0.693; OKLCH L 86.3% C 0.216 H 144.4°. Best body text is #000000 at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#66F56E
RGB	rgb(102, 245, 110)
HSL	hsl(123, 88%, 68%)
HSV	hsv(123, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 55.1%, 3.9%)
CIE-LAB	lab(86.63, -64.75, 52.93)
CIE-LCH	lch(86.63, 83.63, 140.73°)
OKLab	oklab(86.3% -0.1756 0.1259)
OKLCH	oklch(86.3% 0.216 144.4)
XYZ	xyz(40.9440, 69.2516, 25.9580)
Luminance	0.6925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F56E #F566ED

analogous

#A5F566 #66F56E #66F5B6

triadic

#66F56E #6E66F5 #F56E66

tetradic

#66F56E #66A5F5 #F566ED #F5B666

square

#66F56E #66A5F5 #F566ED #F5B666

split-complementary

#66F56E #B666F5 #F566A5

monochromatic

#0ED319 #2DF138 #66F56E #9FF9A4 #D9FDDB

Accessibility & contrast

On white

1.41

#66F56E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.85

#66F56E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F56E

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F56E	#FFFFFF	#000000	##000000
##66F56E	1.00	1.41	14.85	14.85
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.85	21.00	1.00	1.00
##000000	14.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E061

Deuteranopia (green-blind)

#E7D478

Tritanopia (blue-blind)

#4AEFD7

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f56e;
/* rgb */ color: rgb(102, 245, 110);
/* oklch */ color: oklch(86.3% 0.216 144.4);

Tailwind

colors: {
  custom: {
    50: '#9ef99b',
    500: '#66f56e',
    950: '#000000',
  },
}

SCSS

$custom: #66f56e;
$custom-light: #9ef99b;
$custom-dark: #000000;

JSON

{
  "hex": "#66f56e",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 110
  },
  "hsl": {
    "h": 123.357,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86299,
    "c": 0.21607,
    "h": 144.4
  },
  "luminance": 0.69255
}

Semantic roles & 50–950 ramp

primary

#66F56E

secondary

#CE31C5

accent

#01D8E4

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10170E

muted

#81857F

Preview Lab

Preview with #66F56E

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

Preview Lab → · Contrast checker → · Palette generator →