#66EE8B#66EE8B

#66EE8B is a very light, vivid green. Relative luminance 0.658; OKLCH L 85.0% C 0.182 H 149.8°. Best body text is #000000 at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#66EE8B
RGB	rgb(102, 238, 139)
HSL	hsl(136, 80%, 67%)
HSV	hsv(136, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 41.6%, 6.7%)
CIE-LAB	lab(84.91, -58.06, 37.00)
CIE-LCH	lch(84.91, 68.85, 147.49°)
OKLab	oklab(85.01% -0.1571 0.0914)
OKLCH	oklch(85.01% 0.182 149.8)
XYZ	xyz(40.7113, 65.8342, 34.9829)
Luminance	0.6584 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EE8B #EE66C9

analogous

#85EE66 #66EE8B #66EECF

triadic

#66EE8B #8B66EE #EE8B66

tetradic

#66EE8B #6685EE #EE66C9 #EECF66

square

#66EE8B #6685EE #EE66C9 #EECF66

split-complementary

#66EE8B #CF66EE #EE6685

monochromatic

#16C445 #2FE861 #66EE8B #9DF4B5 #D4FADF

Accessibility & contrast

On white

1.48

#66EE8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.17

#66EE8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EE8B

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EE8B	#FFFFFF	#000000	##000000
##66EE8B	1.00	1.48	14.17	14.17
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.17	21.00	1.00	1.00
##000000	14.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DC84

Deuteranopia (green-blind)

#DDCF92

Tritanopia (blue-blind)

#42EAD6

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66ee8b;
/* rgb */ color: rgb(102, 238, 139);
/* oklch */ color: oklch(85.0% 0.182 149.8);

Tailwind

colors: {
  custom: {
    50: '#9df4ae',
    500: '#66ee8b',
    950: '#000000',
  },
}

SCSS

$custom: #66ee8b;
$custom-light: #9df4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66ee8b",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 139
  },
  "hsl": {
    "h": 136.324,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.85007,
    "c": 0.18177,
    "h": 149.8
  },
  "luminance": 0.65838
}

Semantic roles & 50–950 ramp

primary

#66EE8B

secondary

#C2379C

accent

#09A3DC

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EE8B

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

Preview Lab → · Contrast checker → · Palette generator →