#66DB2C#66DB2C

#66DB2C is a light, highly saturated green. Relative luminance 0.537; OKLCH L 79.2% C 0.228 H 137.9°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#66DB2C
RGB	rgb(102, 219, 44)
HSL	hsl(100, 71%, 52%)
HSV	hsv(100, 80%, 86%)
CMYK	cmyk(53.4%, 0%, 79.9%, 14.1%)
CIE-LAB	lab(78.27, -61.17, 69.12)
CIE-LCH	lch(78.27, 92.30, 131.51°)
OKLab	oklab(79.24% -0.1694 0.1529)
OKLCH	oklch(79.24% 0.228 137.9)
XYZ	xyz(31.2645, 53.6672, 11.0937)
Luminance	0.5367 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB2C #A12CDB

analogous

#BEDB2C #66DB2C #2CDB4A

triadic

#66DB2C #2C66DB #DB2C66

tetradic

#66DB2C #2CBEDB #A12CDB #DB4A2C

square

#66DB2C #2CBEDB #A12CDB #DB4A2C

split-complementary

#66DB2C #4A2CDB #DB2CBE

monochromatic

#367814 #4DAC1D #66DB2C #8CE460 #B2ED95

Accessibility & contrast

On white

1.79

#66DB2C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#66DB2C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB2C

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB2C	#FFFFFF	#000000	##000000
##66DB2C	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C800

Deuteranopia (green-blind)

#D3BE41

Tritanopia (blue-blind)

#5CD3BB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db2c;
/* rgb */ color: rgb(102, 219, 44);
/* oklch */ color: oklch(79.2% 0.228 137.9);

Tailwind

colors: {
  custom: {
    50: '#9de774',
    500: '#66db2c',
    950: '#000000',
  },
}

SCSS

$custom: #66db2c;
$custom-light: #9de774;
$custom-dark: #000000;

JSON

{
  "hex": "#66db2c",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 44
  },
  "hsl": {
    "h": 100.114,
    "s": 70.85,
    "l": 51.569
  },
  "oklch": {
    "l": 0.79243,
    "c": 0.22817,
    "h": 137.9
  },
  "luminance": 0.5367
}

Semantic roles & 50–950 ramp

primary

#66DB2C

secondary

#642B80

accent

#3AEEB2

background

#FCFEFB

surface

#F6FDF1

border

#D0D5CB

text

#101609

muted

#80847D

Preview Lab

Preview with #66DB2C

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

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