#66DB57#66DB57

#66DB57 is a light, highly saturated green. Relative luminance 0.542; OKLCH L 79.6% C 0.202 H 141.5°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#66DB57
RGB	rgb(102, 219, 87)
HSL	hsl(113, 65%, 60%)
HSV	hsv(113, 60%, 86%)
CMYK	cmyk(53.4%, 0%, 60.3%, 14.1%)
CIE-LAB	lab(78.56, -57.85, 53.77)
CIE-LCH	lch(78.56, 78.98, 137.10°)
OKLab	oklab(79.58% -0.158 0.1259)
OKLCH	oklch(79.58% 0.202 141.5)
XYZ	xyz(32.5298, 54.1733, 17.7573)
Luminance	0.5418 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB57 #CC57DB

analogous

#A8DB57 #66DB57 #57DB8A

triadic

#66DB57 #5766DB #DB5766

tetradic

#66DB57 #57A8DB #CC57DB #DB8A57

square

#66DB57 #57A8DB #CC57DB #DB8A57

split-complementary

#66DB57 #8A57DB #DB57A8

monochromatic

#2E9720 #3DCA2B #66DB57 #94E689 #C2F1BC

Accessibility & contrast

On white

1.77

#66DB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#66DB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB57

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB57	#FFFFFF	#000000	##000000
##66DB57	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C948

Deuteranopia (green-blind)

#D1BF62

Tritanopia (blue-blind)

#57D5BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db57;
/* rgb */ color: rgb(102, 219, 87);
/* oklch */ color: oklch(79.6% 0.202 141.5);

Tailwind

colors: {
  custom: {
    50: '#9be78b',
    500: '#66db57',
    950: '#000000',
  },
}

SCSS

$custom: #66db57;
$custom-light: #9be78b;
$custom-dark: #000000;

JSON

{
  "hex": "#66db57",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 87
  },
  "hsl": {
    "h": 113.182,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.79581,
    "c": 0.20198,
    "h": 141.5
  },
  "luminance": 0.54176
}

Semantic roles & 50–950 ramp

primary

#66DB57

secondary

#913B9C

accent

#40E8D5

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DB57

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

Preview Lab → · Contrast checker → · Palette generator →