#66D58D#66D58D

#66D58D is a light, vivid green. Relative luminance 0.523; OKLCH L 78.9% C 0.146 H 153.1°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#66D58D
RGB	rgb(102, 213, 141)
HSL	hsl(141, 57%, 62%)
HSV	hsv(141, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 33.8%, 16.5%)
CIE-LAB	lab(77.48, -47.72, 26.15)
CIE-LCH	lch(77.48, 54.42, 151.27°)
OKLab	oklab(78.93% -0.1298 0.0658)
OKLCH	oklch(78.93% 0.146 153.1)
XYZ	xyz(34.0790, 52.3335, 33.4997)
Luminance	0.5234 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D58D #D566AE

analogous

#77D566 #66D58D #66D5C5

triadic

#66D58D #8D66D5 #D58D66

tetradic

#66D58D #6677D5 #D566AE #D5C566

square

#66D58D #6677D5 #D566AE #D5C566

split-complementary

#66D58D #C566D5 #D56677

monochromatic

#299750 #37C769 #66D58D #96E2B1 #C6EFD5

Accessibility & contrast

On white

1.83

#66D58D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#66D58D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D58D

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D58D	#FFFFFF	#000000	##000000
##66D58D	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C688

Deuteranopia (green-blind)

#C5BB91

Tritanopia (blue-blind)

#4AD3C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d58d;
/* rgb */ color: rgb(102, 213, 141);
/* oklch */ color: oklch(78.9% 0.146 153.1);

Tailwind

colors: {
  custom: {
    50: '#99e3ae',
    500: '#66d58d',
    950: '#000000',
  },
}

SCSS

$custom: #66d58d;
$custom-light: #99e3ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66d58d",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 141
  },
  "hsl": {
    "h": 141.081,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.78929,
    "c": 0.14551,
    "h": 153.1
  },
  "luminance": 0.52336
}

Semantic roles & 50–950 ramp

primary

#66D58D

secondary

#9C437D

accent

#218BC4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1510

muted

#7F8481

Preview Lab

Preview with #66D58D

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

Preview Lab → · Contrast checker → · Palette generator →