#66DA54#66DA54

#66DA54 is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.3% C 0.203 H 141.1°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#66DA54
RGB	rgb(102, 218, 84)
HSL	hsl(112, 64%, 59%)
HSV	hsv(112, 61%, 85%)
CMYK	cmyk(53.2%, 0%, 61.5%, 14.5%)
CIE-LAB	lab(78.23, -57.79, 54.69)
CIE-LCH	lch(78.23, 79.57, 136.58°)
OKLab	oklab(79.3% -0.158 0.1276)
OKLCH	oklch(79.3% 0.203 141.1)
XYZ	xyz(32.1496, 53.6051, 17.0384)
Luminance	0.5361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA54 #C854DA

analogous

#A9DA54 #66DA54 #54DA85

triadic

#66DA54 #5466DA #DA5466

tetradic

#66DA54 #54A9DA #C854DA #DA8554

square

#66DA54 #54A9DA #C854DA #DA8554

split-complementary

#66DA54 #8554DA #DA54A9

monochromatic

#2F9420 #40C62B #66DA54 #93E586 #C0F0B9

Accessibility & contrast

On white

1.79

#66DA54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.72

#66DA54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA54

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA54	#FFFFFF	#000000	##000000
##66DA54	1.00	1.79	11.72	11.72
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.72	21.00	1.00	1.00
##000000	11.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC845

Deuteranopia (green-blind)

#D0BE5F

Tritanopia (blue-blind)

#58D4BE

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66da54;
/* rgb */ color: rgb(102, 218, 84);
/* oklch */ color: oklch(79.3% 0.203 141.1);

Tailwind

colors: {
  custom: {
    50: '#9be689',
    500: '#66da54',
    950: '#000000',
  },
}

SCSS

$custom: #66da54;
$custom-light: #9be689;
$custom-dark: #000000;

JSON

{
  "hex": "#66da54",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 84
  },
  "hsl": {
    "h": 111.94,
    "s": 64.423,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79299,
    "c": 0.20303,
    "h": 141.1
  },
  "luminance": 0.53608
}

Semantic roles & 50–950 ramp

primary

#66DA54

secondary

#8C3A98

accent

#40E7D1

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DA54

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

Preview Lab → · Contrast checker → · Palette generator →