#66DA5D#66DA5D

#66DA5D is a light, vivid green. Relative luminance 0.538; OKLCH L 79.4% C 0.196 H 142.2°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#66DA5D
RGB	rgb(102, 218, 93)
HSL	hsl(116, 63%, 61%)
HSV	hsv(116, 57%, 85%)
CMYK	cmyk(53.2%, 0%, 57.3%, 14.5%)
CIE-LAB	lab(78.32, -56.82, 50.83)
CIE-LCH	lch(78.32, 76.23, 138.19°)
OKLab	oklab(79.4% -0.1548 0.1201)
OKLCH	oklch(79.4% 0.196 142.2)
XYZ	xyz(32.5251, 53.7552, 19.0157)
Luminance	0.5376 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA5D #D15DDA

analogous

#A4DA5D #66DA5D #5DDA92

triadic

#66DA5D #5D66DA #DA5D66

tetradic

#66DA5D #5DA4DA #D15DDA #DA925D

square

#66DA5D #5DA4DA #D15DDA #DA925D

split-complementary

#66DA5D #925DDA #DA5DA4

monochromatic

#2C9A23 #3ACB2E #66DA5D #95E58F #C4F1C1

Accessibility & contrast

On white

1.79

#66DA5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#66DA5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA5D

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA5D	#FFFFFF	#000000	##000000
##66DA5D	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC850

Deuteranopia (green-blind)

#CFBE67

Tritanopia (blue-blind)

#56D4BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da5d;
/* rgb */ color: rgb(102, 218, 93);
/* oklch */ color: oklch(79.4% 0.196 142.2);

Tailwind

colors: {
  custom: {
    50: '#9be68e',
    500: '#66da5d',
    950: '#000000',
  },
}

SCSS

$custom: #66da5d;
$custom-light: #9be68e;
$custom-dark: #000000;

JSON

{
  "hex": "#66da5d",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 93
  },
  "hsl": {
    "h": 115.68,
    "s": 62.814,
    "l": 60.98
  },
  "oklch": {
    "l": 0.79399,
    "c": 0.19594,
    "h": 142.2
  },
  "luminance": 0.53758
}

Semantic roles & 50–950 ramp

primary

#66DA5D

secondary

#973D9E

accent

#1BCBBE

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DA5D

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

Preview Lab → · Contrast checker → · Palette generator →