#66C753#66C753

#66C753 is a light, vivid green. Relative luminance 0.443; OKLCH L 74.5% C 0.179 H 140.5°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#66C753
RGB	rgb(102, 199, 83)
HSL	hsl(110, 51%, 55%)
HSV	hsv(110, 58%, 78%)
CMYK	cmyk(48.7%, 0%, 58.3%, 22%)
CIE-LAB	lab(72.42, -50.59, 48.51)
CIE-LCH	lch(72.42, 70.09, 136.20°)
OKLab	oklab(74.52% -0.1385 0.1142)
OKLCH	oklch(74.52% 0.179 140.5)
XYZ	xyz(27.4631, 44.2942, 15.2844)
Luminance	0.4430 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C753 #B453C7

analogous

#A0C753 #66C753 #53C77A

triadic

#66C753 #5366C7 #C75366

tetradic

#66C753 #53A0C7 #B453C7 #C77A53

square

#66C753 #53A0C7 #B453C7 #C77A53

split-complementary

#66C753 #7A53C7 #C753A0

monochromatic

#357827 #49A736 #66C753 #8FD681 #B8E5AF

Accessibility & contrast

On white

2.13

#66C753 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#66C753 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C753

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C753	#FFFFFF	#000000	##000000
##66C753	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB747

Deuteranopia (green-blind)

#BFAE5C

Tritanopia (blue-blind)

#5CC1AE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66c753;
/* rgb */ color: rgb(102, 199, 83);
/* oklch */ color: oklch(74.5% 0.179 140.5);

Tailwind

colors: {
  custom: {
    50: '#99d987',
    500: '#66c753',
    950: '#000000',
  },
}

SCSS

$custom: #66c753;
$custom-light: #99d987;
$custom-dark: #000000;

JSON

{
  "hex": "#66c753",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 83
  },
  "hsl": {
    "h": 110.172,
    "s": 50.877,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74524,
    "c": 0.17949,
    "h": 140.5
  },
  "luminance": 0.44296
}

Semantic roles & 50–950 ramp

primary

#66C753

secondary

#CBA3D3

accent

#4DDAC3

background

#F9FDF8

surface

#F2FAF0

border

#CCD3CB

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #66C753

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

Preview Lab → · Contrast checker → · Palette generator →