#66CA44#66CA44

#66CA44 is a light, vivid green. Relative luminance 0.455; OKLCH L 75.1% C 0.195 H 138.8°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#66CA44
RGB	rgb(102, 202, 68)
HSL	hsl(105, 56%, 53%)
HSV	hsv(105, 66%, 79%)
CMYK	cmyk(49.5%, 0%, 66.3%, 20.8%)
CIE-LAB	lab(73.21, -53.25, 55.86)
CIE-LCH	lch(73.21, 77.17, 133.63°)
OKLab	oklab(75.12% -0.1466 0.1283)
OKLCH	oklch(75.12% 0.195 138.8)
XYZ	xyz(27.6424, 45.4812, 12.7899)
Luminance	0.4548 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CA44 #A844CA

analogous

#A9CA44 #66CA44 #44CA65

triadic

#66CA44 #4466CA #CA4466

tetradic

#66CA44 #44A9CA #A844CA #CA6544

square

#66CA44 #44A9CA #A844CA #CA6544

split-complementary

#66CA44 #6544CA #CA44A9

monochromatic

#367321 #4CA32E #66CA44 #8DD874 #B4E5A3

Accessibility & contrast

On white

2.08

#66CA44 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#66CA44 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CA44

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CA44	#FFFFFF	#000000	##000000
##66CA44	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B932

Deuteranopia (green-blind)

#C3B150

Tritanopia (blue-blind)

#5EC3AF

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #66ca44;
/* rgb */ color: rgb(102, 202, 68);
/* oklch */ color: oklch(75.1% 0.195 138.8);

Tailwind

colors: {
  custom: {
    50: '#9adb7e',
    500: '#66ca44',
    950: '#000000',
  },
}

SCSS

$custom: #66ca44;
$custom-light: #9adb7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ca44",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 68
  },
  "hsl": {
    "h": 104.776,
    "s": 55.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75123,
    "c": 0.19481,
    "h": 138.8
  },
  "luminance": 0.45483
}

Semantic roles & 50–950 ramp

primary

#66CA44

secondary

#C398D2

accent

#49DFB9

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CA44

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

Preview Lab → · Contrast checker → · Palette generator →