#66DB51#66DB51

#66DB51 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.5% C 0.207 H 140.8°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#66DB51
RGB	rgb(102, 219, 81)
HSL	hsl(111, 66%, 59%)
HSV	hsv(111, 63%, 86%)
CMYK	cmyk(53.4%, 0%, 63%, 14.1%)
CIE-LAB	lab(78.51, -58.46, 56.27)
CIE-LCH	lch(78.51, 81.15, 136.09°)
OKLab	oklab(79.52% -0.1599 0.1306)
OKLCH	oklch(79.52% 0.207 140.8)
XYZ	xyz(32.2948, 54.0793, 16.5195)
Luminance	0.5408 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB51 #C651DB

analogous

#ABDB51 #66DB51 #51DB81

triadic

#66DB51 #5166DB #DB5166

tetradic

#66DB51 #51ABDB #C651DB #DB8151

square

#66DB51 #51ABDB #C651DB #DB8151

split-complementary

#66DB51 #8151DB #DB51AB

monochromatic

#30931E #41C629 #66DB51 #93E584 #BFF0B6

Accessibility & contrast

On white

1.78

#66DB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#66DB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB51

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB51	#FFFFFF	#000000	##000000
##66DB51	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C840

Deuteranopia (green-blind)

#D1BE5D

Tritanopia (blue-blind)

#58D4BE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db51;
/* rgb */ color: rgb(102, 219, 81);
/* oklch */ color: oklch(79.5% 0.207 140.8);

Tailwind

colors: {
  custom: {
    50: '#9ce787',
    500: '#66db51',
    950: '#000000',
  },
}

SCSS

$custom: #66db51;
$custom-light: #9ce787;
$custom-dark: #000000;

JSON

{
  "hex": "#66db51",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 81
  },
  "hsl": {
    "h": 110.87,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79518,
    "c": 0.20651,
    "h": 140.8
  },
  "luminance": 0.54082
}

Semantic roles & 50–950 ramp

primary

#66DB51

secondary

#893898

accent

#3FE9CF

background

#FCFEFC

surface

#F6FDF4

border

#D0D5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DB51

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

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