#66E54C#66E54C

#66E54C is a light, highly saturated green. Relative luminance 0.594; OKLCH L 82.0% C 0.222 H 140.5°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#66E54C
RGB	rgb(102, 229, 76)
HSL	hsl(110, 75%, 60%)
HSV	hsv(110, 67%, 90%)
CMYK	cmyk(55.5%, 0%, 66.8%, 10.2%)
CIE-LAB	lab(81.50, -62.56, 61.55)
CIE-LCH	lch(81.50, 87.77, 135.46°)
OKLab	oklab(81.97% -0.1713 0.1412)
OKLCH	oklch(81.97% 0.222 140.5)
XYZ	xyz(34.8017, 59.3822, 16.4641)
Luminance	0.5938 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E54C #CB4CE5

analogous

#B2E54C #66E54C #4CE57F

triadic

#66E54C #4C66E5 #E54C66

tetradic

#66E54C #4CB2E5 #CB4CE5 #E57F4C

square

#66E54C #4CB2E5 #CB4CE5 #E57F4C

split-complementary

#66E54C #7F4CE5 #E54CB2

monochromatic

#2E9F17 #3ED51F #66E54C #94ED81 #C1F5B7

Accessibility & contrast

On white

1.63

#66E54C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.88

#66E54C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E54C

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E54C	#FFFFFF	#000000	##000000
##66E54C	1.00	1.63	12.88	12.88
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.88	21.00	1.00	1.00
##000000	12.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD137

Deuteranopia (green-blind)

#DBC65A

Tritanopia (blue-blind)

#56DEC6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66e54c;
/* rgb */ color: rgb(102, 229, 76);
/* oklch */ color: oklch(82.0% 0.222 140.5);

Tailwind

colors: {
  custom: {
    50: '#9dee85',
    500: '#66e54c',
    950: '#000000',
  },
}

SCSS

$custom: #66e54c;
$custom-light: #9dee85;
$custom-dark: #000000;

JSON

{
  "hex": "#66e54c",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 76
  },
  "hsl": {
    "h": 109.804,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.81971,
    "c": 0.22204,
    "h": 140.5
  },
  "luminance": 0.59385
}

Semantic roles & 50–950 ramp

primary

#66E54C

secondary

#8F33A2

accent

#37F1D2

background

#FCFFFC

surface

#F6FEF3

border

#D0D6CD

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E54C

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

Preview Lab → · Contrast checker → · Palette generator →