#66CA49#66CA49

#66CA49 is a light, vivid green. Relative luminance 0.455; OKLCH L 75.2% C 0.191 H 139.3°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#66CA49
RGB	rgb(102, 202, 73)
HSL	hsl(107, 55%, 54%)
HSV	hsv(107, 64%, 79%)
CMYK	cmyk(49.5%, 0%, 63.9%, 20.8%)
CIE-LAB	lab(73.25, -52.79, 53.83)
CIE-LCH	lch(73.25, 75.40, 134.44°)
OKLab	oklab(75.17% -0.1451 0.1246)
OKLCH	oklch(75.17% 0.191 139.3)
XYZ	xyz(27.8015, 45.5449, 13.6281)
Luminance	0.4555 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CA49 #AD49CA

analogous

#A7CA49 #66CA49 #49CA6D

triadic

#66CA49 #4966CA #CA4966

tetradic

#66CA49 #49A7CA #AD49CA #CA6D49

square

#66CA49 #49A7CA #AD49CA #CA6D49

split-complementary

#66CA49 #6D49CA #CA49A7

monochromatic

#357622 #4BA630 #66CA49 #8ED878 #B6E6A8

Accessibility & contrast

On white

2.08

#66CA49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#66CA49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CA49

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CA49	#FFFFFF	#000000	##000000
##66CA49	1.00	2.08	10.11	10.11
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.11	21.00	1.00	1.00
##000000	10.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B939

Deuteranopia (green-blind)

#C2B154

Tritanopia (blue-blind)

#5DC4AF

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #66ca49;
/* rgb */ color: rgb(102, 202, 73);
/* oklch */ color: oklch(75.2% 0.191 139.3);

Tailwind

colors: {
  custom: {
    50: '#9adb81',
    500: '#66ca49',
    950: '#000000',
  },
}

SCSS

$custom: #66ca49;
$custom-light: #9adb81;
$custom-dark: #000000;

JSON

{
  "hex": "#66ca49",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 73
  },
  "hsl": {
    "h": 106.512,
    "s": 54.894,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7517,
    "c": 0.19122,
    "h": 139.3
  },
  "luminance": 0.45547
}

Semantic roles & 50–950 ramp

primary

#66CA49

secondary

#C79CD3

accent

#4ADEBD

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #66CA49

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

Preview Lab → · Contrast checker → · Palette generator →