#66DB40#66DB40

#66DB40 is a light, highly saturated green. Relative luminance 0.539; OKLCH L 79.4% C 0.218 H 139.2°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#66DB40
RGB	rgb(102, 219, 64)
HSL	hsl(105, 68%, 55%)
HSV	hsv(105, 71%, 86%)
CMYK	cmyk(53.4%, 0%, 70.8%, 14.1%)
CIE-LAB	lab(78.38, -59.93, 62.81)
CIE-LCH	lch(78.38, 86.81, 133.65°)
OKLab	oklab(79.37% -0.1649 0.1424)
OKLCH	oklch(79.37% 0.218 139.2)
XYZ	xyz(31.7352, 53.8554, 13.5723)
Luminance	0.5386 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB40 #B540DB

analogous

#B4DB40 #66DB40 #40DB67

triadic

#66DB40 #4066DB #DB4066

tetradic

#66DB40 #40B4DB #B540DB #DB6740

square

#66DB40 #40B4DB #B540DB #DB6740

split-complementary

#66DB40 #6740DB #DB40B4

monochromatic

#348719 #48BB23 #66DB40 #8FE573 #B8EEA7

Accessibility & contrast

On white

1.78

#66DB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.77

#66DB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB40

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB40	#FFFFFF	#000000	##000000
##66DB40	1.00	1.78	11.77	11.77
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.77	21.00	1.00	1.00
##000000	11.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C826

Deuteranopia (green-blind)

#D2BE4F

Tritanopia (blue-blind)

#5AD4BD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db40;
/* rgb */ color: rgb(102, 219, 64);
/* oklch */ color: oklch(79.4% 0.218 139.2);

Tailwind

colors: {
  custom: {
    50: '#9ce77e',
    500: '#66db40',
    950: '#000000',
  },
}

SCSS

$custom: #66db40;
$custom-light: #9ce77e;
$custom-dark: #000000;

JSON

{
  "hex": "#66db40",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 64
  },
  "hsl": {
    "h": 105.29,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79369,
    "c": 0.21789,
    "h": 139.2
  },
  "luminance": 0.53858
}

Semantic roles & 50–950 ramp

primary

#66DB40

secondary

#77328D

accent

#3DEBC0

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66DB40

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

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