#66DF2D#66DF2D

#66DF2D is a light, highly saturated green. Relative luminance 0.558; OKLCH L 80.3% C 0.232 H 138.2°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#66DF2D
RGB	rgb(102, 223, 45)
HSL	hsl(101, 74%, 53%)
HSV	hsv(101, 80%, 87%)
CMYK	cmyk(54.3%, 0%, 79.8%, 12.5%)
CIE-LAB	lab(79.49, -62.54, 69.98)
CIE-LCH	lch(79.49, 93.85, 131.79°)
OKLab	oklab(80.26% -0.173 0.1548)
OKLCH	oklch(80.26% 0.232 138.2)
XYZ	xyz(32.3396, 55.7870, 11.5459)
Luminance	0.5579 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DF2D #A62DDF

analogous

#BFDF2D #66DF2D #2DDF4D

triadic

#66DF2D #2D66DF #DF2D66

tetradic

#66DF2D #2DBFDF #A62DDF #DF4D2D

square

#66DF2D #2DBFDF #A62DDF #DF4D2D

split-complementary

#66DF2D #4D2DDF #DF2DBF

monochromatic

#367E13 #4CB31B #66DF2D #8DE762 #B3EF97

Accessibility & contrast

On white

1.73

#66DF2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#66DF2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DF2D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DF2D	#FFFFFF	#000000	##000000
##66DF2D	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CB00

Deuteranopia (green-blind)

#D7C143

Tritanopia (blue-blind)

#5BD7BF

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66df2d;
/* rgb */ color: rgb(102, 223, 45);
/* oklch */ color: oklch(80.3% 0.232 138.2);

Tailwind

colors: {
  custom: {
    50: '#9eea75',
    500: '#66df2d',
    950: '#000000',
  },
}

SCSS

$custom: #66df2d;
$custom-light: #9eea75;
$custom-dark: #000000;

JSON

{
  "hex": "#66df2d",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 45
  },
  "hsl": {
    "h": 100.787,
    "s": 73.554,
    "l": 52.549
  },
  "oklch": {
    "l": 0.80255,
    "c": 0.23216,
    "h": 138.2
  },
  "luminance": 0.5579
}

Semantic roles & 50–950 ramp

primary

#66DF2D

secondary

#682B85

accent

#38F0B5

background

#FCFEFB

surface

#F6FDF1

border

#D0D5CB

text

#101609

muted

#80847D

Preview Lab

Preview with #66DF2D

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

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