#66D58F#66D58F

#66D58F is a light, vivid green. Relative luminance 0.524; OKLCH L 79.0% C 0.144 H 153.8°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#66D58F
RGB	rgb(102, 213, 143)
HSL	hsl(142, 57%, 62%)
HSV	hsv(142, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 32.9%, 16.5%)
CIE-LAB	lab(77.52, -47.35, 25.16)
CIE-LCH	lch(77.52, 53.62, 152.01°)
OKLab	oklab(78.97% -0.1289 0.0634)
OKLCH	oklch(78.97% 0.144 153.8)
XYZ	xyz(34.2291, 52.3936, 34.2905)
Luminance	0.5240 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D58F #D566AC

analogous

#75D566 #66D58F #66D5C7

triadic

#66D58F #8F66D5 #D58F66

tetradic

#66D58F #6675D5 #D566AC #D5C766

square

#66D58F #6675D5 #D566AC #D5C766

split-complementary

#66D58F #C766D5 #D56675

monochromatic

#299752 #37C76C #66D58F #96E2B2 #C6EFD5

Accessibility & contrast

On white

1.83

#66D58F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#66D58F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D58F

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D58F	#FFFFFF	#000000	##000000
##66D58F	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C68B

Deuteranopia (green-blind)

#C5BB93

Tritanopia (blue-blind)

#49D3C3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d58f;
/* rgb */ color: rgb(102, 213, 143);
/* oklch */ color: oklch(79.0% 0.144 153.8);

Tailwind

colors: {
  custom: {
    50: '#99e2b0',
    500: '#66d58f',
    950: '#000000',
  },
}

SCSS

$custom: #66d58f;
$custom-light: #99e2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66d58f",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 143
  },
  "hsl": {
    "h": 142.162,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.7897,
    "c": 0.14365,
    "h": 153.8
  },
  "luminance": 0.52396
}

Semantic roles & 50–950 ramp

primary

#66D58F

secondary

#9C437B

accent

#2188C4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1510

muted

#7F8481

Preview Lab

Preview with #66D58F

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

Preview Lab → · Contrast checker → · Palette generator →