#66F09B#66F09B

#66F09B is a very light, vivid green. Relative luminance 0.675; OKLCH L 85.8% C 0.170 H 153.6°. Best body text is #000000 at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#66F09B
RGB	rgb(102, 240, 155)
HSL	hsl(143, 82%, 67%)
HSV	hsv(143, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 35.4%, 5.9%)
CIE-LAB	lab(85.76, -56.12, 30.10)
CIE-LCH	lch(85.76, 63.68, 151.79°)
OKLab	oklab(85.79% -0.1522 0.0755)
OKLCH	oklch(85.79% 0.17 153.6)
XYZ	xyz(42.5526, 67.5075, 41.7918)
Luminance	0.6751 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F09B #F066BB

analogous

#76F066 #66F09B #66F0E0

triadic

#66F09B #9B66F0 #F09B66

tetradic

#66F09B #6676F0 #F066BB #F0E066

square

#66F09B #6676F0 #F066BB #F0E066

split-complementary

#66F09B #E066F0 #F06676

monochromatic

#14C859 #2EEB77 #66F09B #9EF5BF #D5FBE4

Accessibility & contrast

On white

1.45

#66F09B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.50

#66F09B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F09B

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F09B	#FFFFFF	#000000	##000000
##66F09B	1.00	1.45	14.50	14.50
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.50	21.00	1.00	1.00
##000000	14.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DE95

Deuteranopia (green-blind)

#DDD1A0

Tritanopia (blue-blind)

#39EDDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66f09b;
/* rgb */ color: rgb(102, 240, 155);
/* oklch */ color: oklch(85.8% 0.170 153.6);

Tailwind

colors: {
  custom: {
    50: '#9df6b9',
    500: '#66f09b',
    950: '#000000',
  },
}

SCSS

$custom: #66f09b;
$custom-light: #9df6b9;
$custom-dark: #000000;

JSON

{
  "hex": "#66f09b",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 155
  },
  "hsl": {
    "h": 143.043,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85786,
    "c": 0.16993,
    "h": 153.6
  },
  "luminance": 0.67512
}

Semantic roles & 50–950 ramp

primary

#66F09B

secondary

#C5358E

accent

#078CDF

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F09B

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

Preview Lab → · Contrast checker → · Palette generator →