#66DB5A#66DB5A

#66DB5A is a light, vivid green. Relative luminance 0.542; OKLCH L 79.6% C 0.200 H 141.8°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#66DB5A
RGB	rgb(102, 219, 90)
HSL	hsl(114, 64%, 61%)
HSV	hsv(114, 59%, 86%)
CMYK	cmyk(53.4%, 0%, 58.9%, 14.1%)
CIE-LAB	lab(78.59, -57.53, 52.48)
CIE-LCH	lch(78.59, 77.87, 137.63°)
OKLab	oklab(79.61% -0.1569 0.1234)
OKLCH	oklch(79.61% 0.2 141.8)
XYZ	xyz(32.6549, 54.2233, 18.4162)
Luminance	0.5423 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB5A #CF5ADB

analogous

#A6DB5A #66DB5A #5ADB8F

triadic

#66DB5A #5A66DB #DB5A66

tetradic

#66DB5A #5AA6DB #CF5ADB #DB8F5A

square

#66DB5A #5AA6DB #CF5ADB #DB8F5A

split-complementary

#66DB5A #8F5ADB #DB5AA6

monochromatic

#2D9921 #3BCB2C #66DB5A #95E68C #C3F1BE

Accessibility & contrast

On white

1.77

#66DB5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#66DB5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB5A

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB5A	#FFFFFF	#000000	##000000
##66DB5A	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C94C

Deuteranopia (green-blind)

#D1BF64

Tritanopia (blue-blind)

#56D5BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db5a;
/* rgb */ color: rgb(102, 219, 90);
/* oklch */ color: oklch(79.6% 0.200 141.8);

Tailwind

colors: {
  custom: {
    50: '#9be78d',
    500: '#66db5a',
    950: '#000000',
  },
}

SCSS

$custom: #66db5a;
$custom-light: #9be78d;
$custom-dark: #000000;

JSON

{
  "hex": "#66db5a",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 90
  },
  "hsl": {
    "h": 114.419,
    "s": 64.179,
    "l": 60.588
  },
  "oklch": {
    "l": 0.79614,
    "c": 0.19962,
    "h": 141.8
  },
  "luminance": 0.54226
}

Semantic roles & 50–950 ramp

primary

#66DB5A

secondary

#943C9D

accent

#1ACCBB

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DB5A

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

Preview Lab → · Contrast checker → · Palette generator →