#66C12E#66C12E

#66C12E is a light, vivid yellow-green. Relative luminance 0.412; OKLCH L 72.7% C 0.197 H 136.4°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#66C12E
RGB	rgb(102, 193, 46)
HSL	hsl(97, 62%, 47%)
HSV	hsv(97, 76%, 76%)
CMYK	cmyk(47.2%, 0%, 76.2%, 24.3%)
CIE-LAB	lab(70.29, -51.39, 60.98)
CIE-LCH	lch(70.29, 79.75, 130.12°)
OKLab	oklab(72.68% -0.143 0.1361)
OKLCH	oklch(72.68% 0.197 136.4)
XYZ	xyz(25.0419, 41.1603, 9.2094)
Luminance	0.4116 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C12E #892EC1

analogous

#B0C12E #66C12E #2EC140

triadic

#66C12E #2E66C1 #C12E66

tetradic

#66C12E #2EB0C1 #892EC1 #C1402E

square

#66C12E #2EB0C1 #892EC1 #C1402E

split-complementary

#66C12E #402EC1 #C12EB0

monochromatic

#325E16 #4C9022 #66C12E #87D756 #AAE287

Accessibility & contrast

On white

2.27

#66C12E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#66C12E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C12E

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C12E	#FFFFFF	#000000	##000000
##66C12E	1.00	2.27	9.23	9.23
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B108

Deuteranopia (green-blind)

#BCA93E

Tritanopia (blue-blind)

#62BAA5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66c12e;
/* rgb */ color: rgb(102, 193, 46);
/* oklch */ color: oklch(72.7% 0.197 136.4);

Tailwind

colors: {
  custom: {
    50: '#9ad472',
    500: '#66c12e',
    950: '#000000',
  },
}

SCSS

$custom: #66c12e;
$custom-light: #9ad472;
$custom-dark: #000000;

JSON

{
  "hex": "#66c12e",
  "rgb": {
    "r": 102,
    "g": 193,
    "b": 46
  },
  "hsl": {
    "h": 97.143,
    "s": 61.506,
    "l": 46.863
  },
  "oklch": {
    "l": 0.72675,
    "c": 0.19743,
    "h": 136.4
  },
  "luminance": 0.41162
}

Semantic roles & 50–950 ramp

primary

#66C12E

secondary

#AF7FCC

accent

#43E5A7

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1408

muted

#7F837B

Preview Lab

Preview with #66C12E

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

Preview Lab → · Contrast checker → · Palette generator →