#66D359#66D359

#66D359 is a light, vivid green. Relative luminance 0.501; OKLCH L 77.6% C 0.190 H 141.6°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#66D359
RGB	rgb(102, 211, 89)
HSL	hsl(114, 58%, 59%)
HSV	hsv(114, 58%, 83%)
CMYK	cmyk(51.7%, 0%, 57.8%, 17.3%)
CIE-LAB	lab(76.15, -54.60, 50.11)
CIE-LCH	lch(76.15, 74.11, 137.46°)
OKLab	oklab(77.6% -0.149 0.1182)
OKLCH	oklch(77.6% 0.19 141.6)
XYZ	xyz(30.5755, 50.1322, 17.5145)
Luminance	0.5013 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D359 #C659D3

analogous

#A3D359 #66D359 #59D389

triadic

#66D359 #5966D3 #D35966

tetradic

#66D359 #59A3D3 #C659D3 #D38959

square

#66D359 #59A3D3 #C659D3 #D38959

split-complementary

#66D359 #8959D3 #D359A3

monochromatic

#308C25 #41BD32 #66D359 #93E089 #BFEDBA

Accessibility & contrast

On white

1.90

#66D359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#66D359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D359

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D359	#FFFFFF	#000000	##000000
##66D359	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C24C

Deuteranopia (green-blind)

#C9B862

Tritanopia (blue-blind)

#59CDB8

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #66d359;
/* rgb */ color: rgb(102, 211, 89);
/* oklch */ color: oklch(77.6% 0.190 141.6);

Tailwind

colors: {
  custom: {
    50: '#9ae18b',
    500: '#66d359',
    950: '#000000',
  },
}

SCSS

$custom: #66d359;
$custom-light: #9ae18b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d359",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 89
  },
  "hsl": {
    "h": 113.607,
    "s": 58.095,
    "l": 58.824
  },
  "oklch": {
    "l": 0.77603,
    "c": 0.1902,
    "h": 141.6
  },
  "luminance": 0.50135
}

Semantic roles & 50–950 ramp

primary

#66D359

secondary

#893E92

accent

#46E1D1

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F150C

muted

#80847F

Preview Lab

Preview with #66D359

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

Preview Lab → · Contrast checker → · Palette generator →