#66D84E#66D84E

#66D84E is a light, highly saturated green. Relative luminance 0.525; OKLCH L 78.7% C 0.205 H 140.4°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#66D84E
RGB	rgb(102, 216, 78)
HSL	hsl(110, 64%, 58%)
HSV	hsv(110, 64%, 85%)
CMYK	cmyk(52.8%, 0%, 63.9%, 15.3%)
CIE-LAB	lab(77.57, -57.64, 56.49)
CIE-LCH	lch(77.57, 80.70, 135.57°)
OKLab	oklab(78.74% -0.1579 0.1308)
OKLCH	oklch(78.74% 0.205 140.4)
XYZ	xyz(31.4091, 52.4841, 15.6816)
Luminance	0.5249 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D84E #C04ED8

analogous

#ABD84E #66D84E #4ED87B

triadic

#66D84E #4E66D8 #D84E66

tetradic

#66D84E #4EABD8 #C04ED8 #D87B4E

square

#66D84E #4EABD8 #C04ED8 #D87B4E

split-complementary

#66D84E #7B4ED8 #D84EAB

monochromatic

#328D1F #44BF2A #66D84E #91E380 #BDEEB2

Accessibility & contrast

On white

1.83

#66D84E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#66D84E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D84E

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D84E	#FFFFFF	#000000	##000000
##66D84E	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC63D

Deuteranopia (green-blind)

#CFBC5A

Tritanopia (blue-blind)

#59D1BB

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d84e;
/* rgb */ color: rgb(102, 216, 78);
/* oklch */ color: oklch(78.7% 0.205 140.4);

Tailwind

colors: {
  custom: {
    50: '#9be585',
    500: '#66d84e',
    950: '#000000',
  },
}

SCSS

$custom: #66d84e;
$custom-light: #9be585;
$custom-dark: #000000;

JSON

{
  "hex": "#66d84e",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 78
  },
  "hsl": {
    "h": 109.565,
    "s": 63.889,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78737,
    "c": 0.205,
    "h": 140.4
  },
  "luminance": 0.52487
}

Semantic roles & 50–950 ramp

primary

#66D84E

secondary

#833892

accent

#41E7CA

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D84E

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

Preview Lab → · Contrast checker → · Palette generator →