#66D855#66D855

#66D855 is a light, vivid green. Relative luminance 0.526; OKLCH L 78.8% C 0.200 H 141.2°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#66D855
RGB	rgb(102, 216, 85)
HSL	hsl(112, 63%, 59%)
HSV	hsv(112, 61%, 85%)
CMYK	cmyk(52.8%, 0%, 60.6%, 15.3%)
CIE-LAB	lab(77.63, -56.94, 53.58)
CIE-LCH	lch(77.63, 78.19, 136.74°)
OKLab	oklab(78.81% -0.1556 0.1253)
OKLCH	oklch(78.81% 0.2 141.2)
XYZ	xyz(31.6736, 52.5899, 17.0744)
Luminance	0.5259 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D855 #C755D8

analogous

#A8D855 #66D855 #55D886

triadic

#66D855 #5566D8 #D85566

tetradic

#66D855 #55A8D8 #C755D8 #D88655

square

#66D855 #55A8D8 #C755D8 #D88655

split-complementary

#66D855 #8655D8 #D855A8

monochromatic

#309121 #40C32D #66D855 #93E387 #C0EFB9

Accessibility & contrast

On white

1.82

#66D855 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#66D855 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D855

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D855	#FFFFFF	#000000	##000000
##66D855	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC646

Deuteranopia (green-blind)

#CEBC60

Tritanopia (blue-blind)

#58D2BC

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d855;
/* rgb */ color: rgb(102, 216, 85);
/* oklch */ color: oklch(78.8% 0.200 141.2);

Tailwind

colors: {
  custom: {
    50: '#9be589',
    500: '#66d855',
    950: '#000000',
  },
}

SCSS

$custom: #66d855;
$custom-light: #9be589;
$custom-dark: #000000;

JSON

{
  "hex": "#66d855",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 85
  },
  "hsl": {
    "h": 112.214,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.78809,
    "c": 0.19976,
    "h": 141.2
  },
  "luminance": 0.52592
}

Semantic roles & 50–950 ramp

primary

#66D855

secondary

#8B3B96

accent

#42E6D0

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66D855

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

Preview Lab → · Contrast checker → · Palette generator →