#66DA58#66DA58

#66DA58 is a light, vivid green. Relative luminance 0.537; OKLCH L 79.3% C 0.200 H 141.6°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#66DA58
RGB	rgb(102, 218, 88)
HSL	hsl(114, 64%, 60%)
HSV	hsv(114, 60%, 85%)
CMYK	cmyk(53.2%, 0%, 59.6%, 14.5%)
CIE-LAB	lab(78.27, -57.37, 53.00)
CIE-LCH	lch(78.27, 78.10, 137.27°)
OKLab	oklab(79.34% -0.1566 0.1243)
OKLCH	oklch(79.34% 0.2 141.6)
XYZ	xyz(32.3108, 53.6695, 17.8872)
Luminance	0.5367 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA58 #CC58DA

analogous

#A7DA58 #66DA58 #58DA8B

triadic

#66DA58 #5866DA #DA5866

tetradic

#66DA58 #58A7DA #CC58DA #DA8B58

square

#66DA58 #58A7DA #CC58DA #DA8B58

split-complementary

#66DA58 #8B58DA #DA58A7

monochromatic

#2E9621 #3DC82C #66DA58 #94E58A #C2F0BC

Accessibility & contrast

On white

1.79

#66DA58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#66DA58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA58

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA58	#FFFFFF	#000000	##000000
##66DA58	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC84A

Deuteranopia (green-blind)

#D0BE62

Tritanopia (blue-blind)

#57D4BE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da58;
/* rgb */ color: rgb(102, 218, 88);
/* oklch */ color: oklch(79.3% 0.200 141.6);

Tailwind

colors: {
  custom: {
    50: '#9be68b',
    500: '#66da58',
    950: '#000000',
  },
}

SCSS

$custom: #66da58;
$custom-light: #9be68b;
$custom-dark: #000000;

JSON

{
  "hex": "#66da58",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 88
  },
  "hsl": {
    "h": 113.538,
    "s": 63.725,
    "l": 60
  },
  "oklch": {
    "l": 0.79342,
    "c": 0.19994,
    "h": 141.6
  },
  "luminance": 0.53672
}

Semantic roles & 50–950 ramp

primary

#66DA58

secondary

#913B9B

accent

#41E7D5

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DA58

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

Preview Lab → · Contrast checker → · Palette generator →