#66C441#66C441

#66C441 is a light, vivid green. Relative luminance 0.427; OKLCH L 73.6% C 0.189 H 138.2°. Best body text is #000000 at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#66C441
RGB	rgb(102, 196, 65)
HSL	hsl(103, 53%, 51%)
HSV	hsv(103, 67%, 77%)
CMYK	cmyk(48%, 0%, 66.8%, 23.1%)
CIE-LAB	lab(71.34, -51.17, 55.07)
CIE-LCH	lch(71.34, 75.18, 132.90°)
OKLab	oklab(73.58% -0.1412 0.1263)
OKLCH	oklch(73.58% 0.189 138.2)
XYZ	xyz(26.1727, 42.6845, 11.8598)
Luminance	0.4269 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C441 #9F41C4

analogous

#A7C441 #66C441 #41C45D

triadic

#66C441 #4166C4 #C44166

tetradic

#66C441 #41A7C4 #9F41C4 #C45D41

square

#66C441 #41A7C4 #9F41C4 #C45D41

split-complementary

#66C441 #5D41C4 #C441A7

monochromatic

#356A21 #4D982F #66C441 #8CD370 #B1E19E

Accessibility & contrast

On white

2.20

#66C441 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.54

#66C441 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C441

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C441	#FFFFFF	#000000	##000000
##66C441	1.00	2.20	9.54	9.54
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.54	21.00	1.00	1.00
##000000	9.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB42F

Deuteranopia (green-blind)

#BDAC4D

Tritanopia (blue-blind)

#5FBDA9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #66c441;
/* rgb */ color: rgb(102, 196, 65);
/* oklch */ color: oklch(73.6% 0.189 138.2);

Tailwind

colors: {
  custom: {
    50: '#99d67c',
    500: '#66c441',
    950: '#000000',
  },
}

SCSS

$custom: #66c441;
$custom-light: #99d67c;
$custom-dark: #000000;

JSON

{
  "hex": "#66c441",
  "rgb": {
    "r": 102,
    "g": 196,
    "b": 65
  },
  "hsl": {
    "h": 103.053,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73581,
    "c": 0.18942,
    "h": 138.2
  },
  "luminance": 0.42686
}

Semantic roles & 50–950 ramp

primary

#66C441

secondary

#BD93CD

accent

#4CDCB3

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F140A

muted

#7E837C

Preview Lab

Preview with #66C441

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

Preview Lab → · Contrast checker → · Palette generator →