#66CD5F#66CD5F

#66CD5F is a light, vivid green. Relative luminance 0.473; OKLCH L 76.2% C 0.177 H 142.4°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#66CD5F
RGB	rgb(102, 205, 95)
HSL	hsl(116, 52%, 59%)
HSV	hsv(116, 54%, 80%)
CMYK	cmyk(50.2%, 0%, 53.7%, 19.6%)
CIE-LAB	lab(74.39, -51.55, 45.25)
CIE-LCH	lch(74.39, 68.60, 138.72°)
OKLab	oklab(76.18% -0.1405 0.1081)
OKLCH	oklch(76.18% 0.177 142.4)
XYZ	xyz(29.3749, 47.3114, 18.4083)
Luminance	0.4731 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CD5F #C65FCD

analogous

#9DCD5F #66CD5F #5FCD8F

triadic

#66CD5F #5F66CD #CD5F66

tetradic

#66CD5F #5F9DCD #C65FCD #CD8F5F

square

#66CD5F #5F9DCD #C65FCD #CD8F5F

split-complementary

#66CD5F #8F5FCD #CD5F9D

monochromatic

#30872A #41B639 #66CD5F #93DC8E #BFEABC

Accessibility & contrast

On white

2.01

#66CD5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#66CD5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD5F

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CD5F	#FFFFFF	#000000	##000000
##66CD5F	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BD55

Deuteranopia (green-blind)

#C3B367

Tritanopia (blue-blind)

#59C8B4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66cd5f;
/* rgb */ color: rgb(102, 205, 95);
/* oklch */ color: oklch(76.2% 0.177 142.4);

Tailwind

colors: {
  custom: {
    50: '#99dd8f',
    500: '#66cd5f',
    950: '#000000',
  },
}

SCSS

$custom: #66cd5f;
$custom-light: #99dd8f;
$custom-dark: #000000;

JSON

{
  "hex": "#66cd5f",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 95
  },
  "hsl": {
    "h": 116.182,
    "s": 52.381,
    "l": 58.824
  },
  "oklch": {
    "l": 0.76178,
    "c": 0.17722,
    "h": 142.4
  },
  "luminance": 0.47314
}

Semantic roles & 50–950 ramp

primary

#66CD5F

secondary

#D7AEDA

accent

#4CDCD3

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150D

muted

#7E837D

Preview Lab

Preview with #66CD5F

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

Preview Lab → · Contrast checker → · Palette generator →