#66CE49#66CE49

#66CE49 is a light, vivid green. Relative luminance 0.474; OKLCH L 76.2% C 0.196 H 139.5°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#66CE49
RGB	rgb(102, 206, 73)
HSL	hsl(107, 58%, 55%)
HSV	hsv(107, 65%, 81%)
CMYK	cmyk(50.5%, 0%, 64.6%, 19.2%)
CIE-LAB	lab(74.47, -54.33, 55.18)
CIE-LCH	lch(74.47, 77.44, 134.56°)
OKLab	oklab(76.18% -0.1492 0.1274)
OKLCH	oklch(76.18% 0.196 139.5)
XYZ	xyz(28.7523, 47.4463, 13.9450)
Luminance	0.4745 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CE49 #B149CE

analogous

#A9CE49 #66CE49 #49CE6E

triadic

#66CE49 #4966CE #CE4966

tetradic

#66CE49 #49A9CE #B149CE #CE6E49

square

#66CE49 #49A9CE #B149CE #CE6E49

split-complementary

#66CE49 #6E49CE #CE49A9

monochromatic

#357B21 #4AAC2E #66CE49 #8FDB79 #B7E8A9

Accessibility & contrast

On white

2.00

#66CE49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#66CE49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CE49

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CE49	#FFFFFF	#000000	##000000
##66CE49	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD38

Deuteranopia (green-blind)

#C6B454

Tritanopia (blue-blind)

#5CC7B2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66ce49;
/* rgb */ color: rgb(102, 206, 73);
/* oklch */ color: oklch(76.2% 0.196 139.5);

Tailwind

colors: {
  custom: {
    50: '#9ade81',
    500: '#66ce49',
    950: '#000000',
  },
}

SCSS

$custom: #66ce49;
$custom-light: #9ade81;
$custom-dark: #000000;

JSON

{
  "hex": "#66ce49",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 73
  },
  "hsl": {
    "h": 106.917,
    "s": 57.576,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76177,
    "c": 0.19623,
    "h": 139.5
  },
  "luminance": 0.47448
}

Semantic roles & 50–950 ramp

primary

#66CE49

secondary

#C99DD5

accent

#47E1BF

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CE49

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

Preview Lab → · Contrast checker → · Palette generator →