#66C238#66C238

#66C238 is a light, vivid green. Relative luminance 0.417; OKLCH L 73.0% C 0.193 H 137.2°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#66C238
RGB	rgb(102, 194, 56)
HSL	hsl(100, 55%, 49%)
HSV	hsv(100, 71%, 76%)
CMYK	cmyk(47.4%, 0%, 71.1%, 23.9%)
CIE-LAB	lab(70.66, -51.11, 57.86)
CIE-LCH	lch(70.66, 77.20, 131.46°)
OKLab	oklab(73% -0.1416 0.131)
OKLCH	oklch(73% 0.193 137.2)
XYZ	xyz(25.4843, 41.6922, 10.4451)
Luminance	0.4169 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C238 #9438C2

analogous

#ABC238 #66C238 #38C24F

triadic

#66C238 #3866C2 #C23866

tetradic

#66C238 #38ABC2 #9438C2 #C24F38

square

#66C238 #38ABC2 #9438C2 #C24F38

split-complementary

#66C238 #4F38C2 #C238AB

monochromatic

#34631D #4D932A #66C238 #89D265 #AEE094

Accessibility & contrast

On white

2.25

#66C238 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#66C238 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C238

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C238	#FFFFFF	#000000	##000000
##66C238	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B221

Deuteranopia (green-blind)

#BCAA45

Tritanopia (blue-blind)

#61BBA7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #66c238;
/* rgb */ color: rgb(102, 194, 56);
/* oklch */ color: oklch(73.0% 0.193 137.2);

Tailwind

colors: {
  custom: {
    50: '#99d577',
    500: '#66c238',
    950: '#000000',
  },
}

SCSS

$custom: #66c238;
$custom-light: #99d577;
$custom-dark: #000000;

JSON

{
  "hex": "#66c238",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 56
  },
  "hsl": {
    "h": 100,
    "s": 55.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.72999,
    "c": 0.1929,
    "h": 137.2
  },
  "luminance": 0.41694
}

Semantic roles & 50–950 ramp

primary

#66C238

secondary

#B68ACB

accent

#49DFAD

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C238

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

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