#66E679#66E679

#66E679 is a very light, vivid green. Relative luminance 0.608; OKLCH L 82.8% C 0.187 H 146.6°. Best body text is #000000 at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#66E679
RGB	rgb(102, 230, 121)
HSL	hsl(129, 72%, 65%)
HSV	hsv(129, 56%, 90%)
CMYK	cmyk(55.7%, 0%, 47.4%, 9.8%)
CIE-LAB	lab(82.27, -57.75, 42.46)
CIE-LCH	lch(82.27, 71.68, 143.68°)
OKLab	oklab(82.75% -0.1564 0.1033)
OKLCH	oklch(82.75% 0.187 146.6)
XYZ	xyz(37.2252, 60.7956, 27.8585)
Luminance	0.6080 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E679 #E666D3

analogous

#93E666 #66E679 #66E6B9

triadic

#66E679 #7966E6 #E67966

tetradic

#66E679 #6693E6 #E666D3 #E6B966

square

#66E679 #6693E6 #E666D3 #E6B966

split-complementary

#66E679 #B966E6 #E66693

monochromatic

#1DB434 #31DD4B #66E679 #9BEFA7 #CFF7D5

Accessibility & contrast

On white

1.60

#66E679 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.16

#66E679 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E679

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E679	#FFFFFF	#000000	##000000
##66E679	1.00	1.60	13.16	13.16
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.16	21.00	1.00	1.00
##000000	13.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D470

Deuteranopia (green-blind)

#D8C880

Tritanopia (blue-blind)

#4CE1CC

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e679;
/* rgb */ color: rgb(102, 230, 121);
/* oklch */ color: oklch(82.8% 0.187 146.6);

Tailwind

colors: {
  custom: {
    50: '#9cefa1',
    500: '#66e679',
    950: '#000000',
  },
}

SCSS

$custom: #66e679;
$custom-light: #9cefa1;
$custom-dark: #000000;

JSON

{
  "hex": "#66e679",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 121
  },
  "hsl": {
    "h": 128.906,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.82754,
    "c": 0.18742,
    "h": 146.6
  },
  "luminance": 0.60799
}

Semantic roles & 50–950 ramp

primary

#66E679

secondary

#B53CA3

accent

#12B7D4

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0F160F

muted

#808580

Preview Lab

Preview with #66E679

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

Preview Lab → · Contrast checker → · Palette generator →