#66B445#66B445

#66B445 is a light, vivid green. Relative luminance 0.359; OKLCH L 69.6% C 0.166 H 137.6°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#66B445
RGB	rgb(102, 180, 69)
HSL	hsl(102, 45%, 49%)
HSV	hsv(102, 62%, 71%)
CMYK	cmyk(43.3%, 0%, 61.7%, 29.4%)
CIE-LAB	lab(66.44, -44.34, 48.01)
CIE-LCH	lch(66.44, 65.35, 132.72°)
OKLab	oklab(69.57% -0.1223 0.1118)
OKLCH	oklch(69.57% 0.166 137.6)
XYZ	xyz(22.8742, 35.8956, 11.3523)
Luminance	0.3590 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B445 #9345B4

analogous

#9EB445 #66B445 #45B45C

triadic

#66B445 #4566B4 #B44566

tetradic

#66B445 #459EB4 #9345B4 #B45C45

square

#66B445 #459EB4 #9345B4 #B45C45

split-complementary

#66B445 #5C45B4 #B4459E

monochromatic

#345C23 #4D8834 #66B445 #89C86F #ADD99B

Accessibility & contrast

On white

2.57

#66B445 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#66B445 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B445

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B445	#FFFFFF	#000000	##000000
##66B445	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA638

Deuteranopia (green-blind)

#AF9F4E

Tritanopia (blue-blind)

#62AE9C

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #66b445;
/* rgb */ color: rgb(102, 180, 69);
/* oklch */ color: oklch(69.6% 0.166 137.6);

Tailwind

colors: {
  custom: {
    50: '#97cb7d',
    500: '#66b445',
    950: '#000000',
  },
}

SCSS

$custom: #66b445;
$custom-light: #97cb7d;
$custom-dark: #000000;

JSON

{
  "hex": "#66b445",
  "rgb": {
    "r": 102,
    "g": 180,
    "b": 69
  },
  "hsl": {
    "h": 102.162,
    "s": 44.578,
    "l": 48.824
  },
  "oklch": {
    "l": 0.69574,
    "c": 0.16571,
    "h": 137.6
  },
  "luminance": 0.35897
}

Semantic roles & 50–950 ramp

primary

#66B445

secondary

#B590C5

accent

#54D4AE

background

#F9FCF7

surface

#F2F8EE

border

#CCD1C9

text

#0E130A

muted

#7E827C

Preview Lab

Preview with #66B445

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

Preview Lab → · Contrast checker → · Palette generator →