#66E55A#66E55A

#66E55A is a very light, highly saturated green. Relative luminance 0.596; OKLCH L 82.1% C 0.212 H 141.9°. Best body text is #000000 at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#66E55A
RGB	rgb(102, 229, 90)
HSL	hsl(115, 73%, 63%)
HSV	hsv(115, 61%, 90%)
CMYK	cmyk(55.5%, 0%, 60.7%, 10.2%)
CIE-LAB	lab(81.62, -61.23, 55.94)
CIE-LCH	lch(81.62, 82.93, 137.58°)
OKLab	oklab(82.11% -0.167 0.1308)
OKLCH	oklch(82.11% 0.212 141.9)
XYZ	xyz(35.3425, 59.5986, 19.3121)
Luminance	0.5960 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E55A #D95AE5

analogous

#ACE55A #66E55A #5AE593

triadic

#66E55A #5A66E5 #E55A66

tetradic

#66E55A #5AACE5 #D95AE5 #E5935A

square

#66E55A #5AACE5 #D95AE5 #E5935A

split-complementary

#66E55A #935AE5 #E55AAC

monochromatic

#27AA1B #35DD25 #66E55A #97ED8F #C8F6C4

Accessibility & contrast

On white

1.63

#66E55A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.92

#66E55A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E55A

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E55A	#FFFFFF	#000000	##000000
##66E55A	1.00	1.63	12.92	12.92
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.92	21.00	1.00	1.00
##000000	12.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD24A

Deuteranopia (green-blind)

#DAC765

Tritanopia (blue-blind)

#54DEC7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e55a;
/* rgb */ color: rgb(102, 229, 90);
/* oklch */ color: oklch(82.1% 0.212 141.9);

Tailwind

colors: {
  custom: {
    50: '#9dee8d',
    500: '#66e55a',
    950: '#000000',
  },
}

SCSS

$custom: #66e55a;
$custom-light: #9dee8d;
$custom-dark: #000000;

JSON

{
  "hex": "#66e55a",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 90
  },
  "hsl": {
    "h": 114.82,
    "s": 72.775,
    "l": 62.549
  },
  "oklch": {
    "l": 0.82107,
    "c": 0.21208,
    "h": 141.9
  },
  "luminance": 0.59602
}

Semantic roles & 50–950 ramp

primary

#66E55A

secondary

#A138AB

accent

#11D5C4

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160D

muted

#80857F

Preview Lab

Preview with #66E55A

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

Preview Lab → · Contrast checker → · Palette generator →