#66DA5C#66DA5C

#66DA5C is a light, vivid green. Relative luminance 0.537; OKLCH L 79.4% C 0.197 H 142.1°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#66DA5C
RGB	rgb(102, 218, 92)
HSL	hsl(115, 63%, 61%)
HSV	hsv(115, 58%, 85%)
CMYK	cmyk(53.2%, 0%, 57.8%, 14.5%)
CIE-LAB	lab(78.31, -56.93, 51.26)
CIE-LCH	lch(78.31, 76.61, 138.00°)
OKLab	oklab(79.39% -0.1552 0.1209)
OKLCH	oklch(79.39% 0.197 142.1)
XYZ	xyz(32.4811, 53.7376, 18.7839)
Luminance	0.5374 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA5C #D05CDA

analogous

#A5DA5C #66DA5C #5CDA91

triadic

#66DA5C #5C66DA #DA5C66

tetradic

#66DA5C #5CA5DA #D05CDA #DA915C

square

#66DA5C #5CA5DA #D05CDA #DA915C

split-complementary

#66DA5C #915CDA #DA5CA5

monochromatic

#2C9923 #3ACB2E #66DA5C #95E58E #C4F1C0

Accessibility & contrast

On white

1.79

#66DA5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#66DA5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA5C

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA5C	#FFFFFF	#000000	##000000
##66DA5C	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)

#DFC84F

Deuteranopia (green-blind)

#D0BE66

Tritanopia (blue-blind)

#56D4BE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da5c;
/* rgb */ color: rgb(102, 218, 92);
/* oklch */ color: oklch(79.4% 0.197 142.1);

Tailwind

colors: {
  custom: {
    50: '#9be68e',
    500: '#66da5c',
    950: '#000000',
  },
}

SCSS

$custom: #66da5c;
$custom-light: #9be68e;
$custom-dark: #000000;

JSON

{
  "hex": "#66da5c",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 92
  },
  "hsl": {
    "h": 115.238,
    "s": 63,
    "l": 60.784
  },
  "oklch": {
    "l": 0.79387,
    "c": 0.19675,
    "h": 142.1
  },
  "luminance": 0.5374
}

Semantic roles & 50–950 ramp

primary

#66DA5C

secondary

#963D9D

accent

#1BCBBD

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DA5C

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

Preview Lab → · Contrast checker → · Palette generator →