#66DB5E#66DB5E

#66DB5E is a light, vivid green. Relative luminance 0.543; OKLCH L 79.7% C 0.196 H 142.4°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#66DB5E
RGB	rgb(102, 219, 94)
HSL	hsl(116, 63%, 61%)
HSV	hsv(116, 57%, 86%)
CMYK	cmyk(53.4%, 0%, 57.1%, 14.1%)
CIE-LAB	lab(78.63, -57.08, 50.74)
CIE-LCH	lch(78.63, 76.37, 138.37°)
OKLab	oklab(79.66% -0.1555 0.1199)
OKLCH	oklch(79.66% 0.196 142.4)
XYZ	xyz(32.8297, 54.2933, 19.3371)
Luminance	0.5430 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB5E #D35EDB

analogous

#A5DB5E #66DB5E #5EDB95

triadic

#66DB5E #5E66DB #DB5E66

tetradic

#66DB5E #5EA5DB #D35EDB #DB955E

square

#66DB5E #5EA5DB #D35EDB #DB955E

split-complementary

#66DB5E #955EDB #DB5EA5

monochromatic

#2B9C23 #38CE2E #66DB5E #96E690 #C5F1C2

Accessibility & contrast

On white

1.77

#66DB5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#66DB5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB5E

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB5E	#FFFFFF	#000000	##000000
##66DB5E	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C951

Deuteranopia (green-blind)

#D0BF68

Tritanopia (blue-blind)

#56D5C0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66db5e;
/* rgb */ color: rgb(102, 219, 94);
/* oklch */ color: oklch(79.7% 0.196 142.4);

Tailwind

colors: {
  custom: {
    50: '#9be78f',
    500: '#66db5e',
    950: '#000000',
  },
}

SCSS

$custom: #66db5e;
$custom-light: #9be78f;
$custom-dark: #000000;

JSON

{
  "hex": "#66db5e",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 94
  },
  "hsl": {
    "h": 116.16,
    "s": 63.452,
    "l": 61.373
  },
  "oklch": {
    "l": 0.79661,
    "c": 0.1964,
    "h": 142.4
  },
  "luminance": 0.54296
}

Semantic roles & 50–950 ramp

primary

#66DB5E

secondary

#993DA0

accent

#1ACBC0

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DB5E

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

Preview Lab → · Contrast checker → · Palette generator →