#66D55D#66D55D

#66D55D is a light, vivid green. Relative luminance 0.512; OKLCH L 78.2% C 0.189 H 142.2°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#66D55D
RGB	rgb(102, 213, 93)
HSL	hsl(116, 59%, 60%)
HSV	hsv(116, 56%, 84%)
CMYK	cmyk(52.1%, 0%, 56.3%, 16.5%)
CIE-LAB	lab(76.80, -54.91, 49.05)
CIE-LCH	lch(76.80, 73.63, 138.23°)
OKLab	oklab(78.15% -0.1497 0.1162)
OKLCH	oklch(78.15% 0.189 142.2)
XYZ	xyz(31.2480, 51.2011, 18.5900)
Luminance	0.5120 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D55D #CC5DD5

analogous

#A2D55D #66D55D #5DD590

triadic

#66D55D #5D66D5 #D55D66

tetradic

#66D55D #5DA2D5 #CC5DD5 #D5905D

square

#66D55D #5DA2D5 #CC5DD5 #D5905D

split-complementary

#66D55D #905DD5 #D55DA2

monochromatic

#2E9226 #3DC232 #66D55D #94E28E #C2EEBE

Accessibility & contrast

On white

1.87

#66D55D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#66D55D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D55D

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D55D	#FFFFFF	#000000	##000000
##66D55D	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC451

Deuteranopia (green-blind)

#CBBA66

Tritanopia (blue-blind)

#57CFBA

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d55d;
/* rgb */ color: rgb(102, 213, 93);
/* oklch */ color: oklch(78.2% 0.189 142.2);

Tailwind

colors: {
  custom: {
    50: '#9ae38e',
    500: '#66d55d',
    950: '#000000',
  },
}

SCSS

$custom: #66d55d;
$custom-light: #9ae38e;
$custom-dark: #000000;

JSON

{
  "hex": "#66d55d",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 93
  },
  "hsl": {
    "h": 115.5,
    "s": 58.824,
    "l": 60
  },
  "oklch": {
    "l": 0.78151,
    "c": 0.18948,
    "h": 142.2
  },
  "luminance": 0.51204
}

Semantic roles & 50–950 ramp

primary

#66D55D

secondary

#913F97

accent

#46E2D6

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F150C

muted

#80847F

Preview Lab

Preview with #66D55D

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

Preview Lab → · Contrast checker → · Palette generator →