#66D99E#66D99E

#66D99E is a light, vivid green. Relative luminance 0.549; OKLCH L 80.3% C 0.136 H 158.7°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#66D99E
RGB	rgb(102, 217, 158)
HSL	hsl(149, 60%, 63%)
HSV	hsv(149, 53%, 85%)
CMYK	cmyk(53%, 0%, 27.2%, 14.9%)
CIE-LAB	lab(78.99, -46.15, 19.33)
CIE-LCH	lch(78.99, 50.04, 157.27°)
OKLab	oklab(80.27% -0.1265 0.0492)
OKLCH	oklch(80.27% 0.136 158.7)
XYZ	xyz(36.4609, 54.9159, 41.0196)
Luminance	0.5492 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D99E #D966A1

analogous

#68D966 #66D99E #66D9D7

triadic

#66D99E #9E66D9 #D99E66

tetradic

#66D99E #6668D9 #D966A1 #D9D766

square

#66D99E #6668D9 #D966A1 #D9D766

split-complementary

#66D99E #D766D9 #D96668

monochromatic

#279D61 #35CD7F #66D99E #97E5BD #C8F1DC

Accessibility & contrast

On white

1.75

#66D99E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#66D99E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D99E

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D99E	#FFFFFF	#000000	##000000
##66D99E	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7CB9B

Deuteranopia (green-blind)

#C7BFA2

Tritanopia (blue-blind)

#41D8C9

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66d99e;
/* rgb */ color: rgb(102, 217, 158);
/* oklch */ color: oklch(80.3% 0.136 158.7);

Tailwind

colors: {
  custom: {
    50: '#9ae5ba',
    500: '#66d99e',
    950: '#000000',
  },
}

SCSS

$custom: #66d99e;
$custom-light: #9ae5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66d99e",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 158
  },
  "hsl": {
    "h": 149.217,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.8027,
    "c": 0.13577,
    "h": 158.7
  },
  "luminance": 0.54919
}

Semantic roles & 50–950 ramp

primary

#66D99E

secondary

#A14273

accent

#1E75C8

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0F1611

muted

#808481

Preview Lab

Preview with #66D99E

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

Preview Lab → · Contrast checker → · Palette generator →