#66DA7B#66DA7B

#66DA7B is a light, vivid green. Relative luminance 0.544; OKLCH L 79.8% C 0.169 H 147.6°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#66DA7B
RGB	rgb(102, 218, 123)
HSL	hsl(131, 61%, 63%)
HSV	hsv(131, 53%, 85%)
CMYK	cmyk(53.2%, 0%, 43.6%, 14.5%)
CIE-LAB	lab(78.69, -52.79, 36.94)
CIE-LCH	lch(78.69, 64.43, 145.02°)
OKLab	oklab(79.83% -0.143 0.0908)
OKLCH	oklch(79.83% 0.169 147.6)
XYZ	xyz(34.1239, 54.3948, 27.4361)
Luminance	0.5440 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA7B #DA66C5

analogous

#8BDA66 #66DA7B #66DAB5

triadic

#66DA7B #7B66DA #DA7B66

tetradic

#66DA7B #668BDA #DA66C5 #DAB566

square

#66DA7B #668BDA #DA66C5 #DAB566

split-complementary

#66DA7B #B566DA #DA668B

monochromatic

#269F3C #35CE50 #66DA7B #97E6A6 #C9F2D0

Accessibility & contrast

On white

1.77

#66DA7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#66DA7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA7B

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA7B	#FFFFFF	#000000	##000000
##66DA7B	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC974

Deuteranopia (green-blind)

#CCBF81

Tritanopia (blue-blind)

#4FD6C3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66da7b;
/* rgb */ color: rgb(102, 218, 123);
/* oklch */ color: oklch(79.8% 0.169 147.6);

Tailwind

colors: {
  custom: {
    50: '#9ae6a2',
    500: '#66da7b',
    950: '#000000',
  },
}

SCSS

$custom: #66da7b;
$custom-light: #9ae6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#66da7b",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 123
  },
  "hsl": {
    "h": 130.862,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.79826,
    "c": 0.16941,
    "h": 147.6
  },
  "luminance": 0.54398
}

Semantic roles & 50–950 ramp

primary

#66DA7B

secondary

#A34191

accent

#1DAAC9

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0F160F

muted

#808480

Preview Lab

Preview with #66DA7B

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

Preview Lab → · Contrast checker → · Palette generator →