#66D23C#66D23C

#66D23C is a light, highly saturated green. Relative luminance 0.492; OKLCH L 77.1% C 0.210 H 138.5°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#66D23C
RGB	rgb(102, 210, 60)
HSL	hsl(103, 63%, 53%)
HSV	hsv(103, 71%, 82%)
CMYK	cmyk(51.4%, 0%, 71.4%, 17.6%)
CIE-LAB	lab(75.60, -56.91, 61.43)
CIE-LCH	lch(75.60, 83.74, 132.82°)
OKLab	oklab(77.07% -0.157 0.139)
OKLCH	oklch(77.07% 0.21 138.5)
XYZ	xyz(29.3406, 49.2420, 12.2326)
Luminance	0.4924 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D23C #A83CD2

analogous

#B1D23C #66D23C #3CD25D

triadic

#66D23C #3C66D2 #D23C66

tetradic

#66D23C #3CB1D2 #A83CD2 #D25D3C

square

#66D23C #3CB1D2 #A83CD2 #D25D3C

split-complementary

#66D23C #5D3CD2 #D23CB1

monochromatic

#36781C #4CAA27 #66D23C #8DDD6E #B4E99F

Accessibility & contrast

On white

1.94

#66D23C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#66D23C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D23C

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D23C	#FFFFFF	#000000	##000000
##66D23C	1.00	1.94	10.85	10.85
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C022

Deuteranopia (green-blind)

#CAB74B

Tritanopia (blue-blind)

#5DCBB5

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66d23c;
/* rgb */ color: rgb(102, 210, 60);
/* oklch */ color: oklch(77.1% 0.210 138.5);

Tailwind

colors: {
  custom: {
    50: '#9be17b',
    500: '#66d23c',
    950: '#000000',
  },
}

SCSS

$custom: #66d23c;
$custom-light: #9be17b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d23c",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 60
  },
  "hsl": {
    "h": 103.2,
    "s": 62.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.77074,
    "c": 0.20971,
    "h": 138.5
  },
  "luminance": 0.49244
}

Semantic roles & 50–950 ramp

primary

#66D23C

secondary

#C394D5

accent

#42E6B8

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D23C

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

Preview Lab → · Contrast checker → · Palette generator →