#66CB8A#66CB8A

#66CB8A is a light, vivid green. Relative luminance 0.474; OKLCH L 76.4% C 0.134 H 153.6°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#66CB8A
RGB	rgb(102, 203, 138)
HSL	hsl(141, 49%, 60%)
HSV	hsv(141, 50%, 80%)
CMYK	cmyk(49.8%, 0%, 32%, 20.4%)
CIE-LAB	lab(74.43, -44.04, 23.59)
CIE-LCH	lch(74.43, 49.96, 151.82°)
OKLab	oklab(76.42% -0.12 0.0596)
OKLCH	oklch(76.42% 0.134 153.6)
XYZ	xyz(31.4206, 47.3691, 31.5272)
Luminance	0.4737 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CB8A #CB66A7

analogous

#75CB66 #66CB8A #66CBBC

triadic

#66CB8A #8A66CB #CB8A66

tetradic

#66CB8A #6675CB #CB66A7 #CBBC66

square

#66CB8A #6675CB #CB66A7 #CBBC66

split-complementary

#66CB8A #BC66CB #CB6675

monochromatic

#2E884E #3EB669 #66CB8A #94DBAD #C1EAD0

Accessibility & contrast

On white

2.00

#66CB8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#66CB8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CB8A

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CB8A	#FFFFFF	#000000	##000000
##66CB8A	1.00	2.00	10.47	10.47
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBBD86

Deuteranopia (green-blind)

#BCB38E

Tritanopia (blue-blind)

#4EC9BA

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66cb8a;
/* rgb */ color: rgb(102, 203, 138);
/* oklch */ color: oklch(76.4% 0.134 153.6);

Tailwind

colors: {
  custom: {
    50: '#98dbac',
    500: '#66cb8a',
    950: '#000000',
  },
}

SCSS

$custom: #66cb8a;
$custom-light: #98dbac;
$custom-dark: #000000;

JSON

{
  "hex": "#66cb8a",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 138
  },
  "hsl": {
    "h": 141.386,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.76417,
    "c": 0.13398,
    "h": 153.6
  },
  "luminance": 0.47372
}

Semantic roles & 50–950 ramp

primary

#66CB8A

secondary

#DAB3CC

accent

#4FA8D9

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0E1510

muted

#7E837F

Preview Lab

Preview with #66CB8A

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

Preview Lab → · Contrast checker → · Palette generator →