#66E233#66E233

#66E233 is a light, highly saturated green. Relative luminance 0.575; OKLCH L 81.0% C 0.233 H 138.6°. Best body text is #000000 at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#66E233
RGB	rgb(102, 226, 51)
HSL	hsl(103, 75%, 54%)
HSV	hsv(103, 77%, 89%)
CMYK	cmyk(54.9%, 0%, 77.4%, 11.4%)
CIE-LAB	lab(80.43, -63.28, 69.15)
CIE-LCH	lch(80.43, 93.73, 132.46°)
OKLab	oklab(81.04% -0.1747 0.1539)
OKLCH	oklch(81.04% 0.233 138.6)
XYZ	xyz(33.2721, 57.4538, 12.4677)
Luminance	0.5746 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E233 #AF33E2

analogous

#BEE233 #66E233 #33E258

triadic

#66E233 #3366E2 #E23366

tetradic

#66E233 #33BEE2 #AF33E2 #E25833

square

#66E233 #33BEE2 #AF33E2 #E25833

split-complementary

#66E233 #5833E2 #E233BE

monochromatic

#358713 #4ABD1B #66E233 #8EEA69 #B6F19E

Accessibility & contrast

On white

1.68

#66E233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.49

#66E233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E233

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E233	#FFFFFF	#000000	##000000
##66E233	1.00	1.68	12.49	12.49
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.49	21.00	1.00	1.00
##000000	12.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9CE00

Deuteranopia (green-blind)

#D9C447

Tritanopia (blue-blind)

#5ADAC2

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #66e233;
/* rgb */ color: rgb(102, 226, 51);
/* oklch */ color: oklch(81.0% 0.233 138.6);

Tailwind

colors: {
  custom: {
    50: '#9eec78',
    500: '#66e233',
    950: '#000000',
  },
}

SCSS

$custom: #66e233;
$custom-light: #9eec78;
$custom-dark: #000000;

JSON

{
  "hex": "#66e233",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 51
  },
  "hsl": {
    "h": 102.514,
    "s": 75.107,
    "l": 54.314
  },
  "oklch": {
    "l": 0.81041,
    "c": 0.23281,
    "h": 138.6
  },
  "luminance": 0.57457
}

Semantic roles & 50–950 ramp

primary

#66E233

secondary

#712C8D

accent

#36F2BB

background

#FDFFFB

surface

#F7FEF2

border

#D0D6CC

text

#10160A

muted

#81857D

Preview Lab

Preview with #66E233

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

Preview Lab → · Contrast checker → · Palette generator →