#669C51#669C51

#669C51 is a light, vivid green. Relative luminance 0.272; OKLCH L 63.7% C 0.120 H 137.5°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#669C51
RGB	rgb(102, 156, 81)
HSL	hsl(103, 32%, 46%)
HSV	hsv(103, 48%, 61%)
CMYK	cmyk(34.6%, 0%, 48.1%, 38.8%)
CIE-LAB	lab(59.15, -32.35, 33.58)
CIE-LCH	lch(59.15, 46.63, 133.92°)
OKLab	oklab(63.68% -0.0888 0.0813)
OKLCH	oklch(63.68% 0.12 137.5)
XYZ	xyz(18.8526, 27.1950, 12.0388)
Luminance	0.2720 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C51 #87519C

analogous

#8C9C51 #669C51 #519C62

triadic

#669C51 #51669C #9C5166

tetradic

#669C51 #518C9C #87519C #9C6251

square

#669C51 #518C9C #87519C #9C6251

split-complementary

#669C51 #62519C #9C518C

monochromatic

#314B27 #4C743C #669C51 #86B774 #A9CC9C

Accessibility & contrast

On white

3.26

#669C51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#669C51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C51

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C51	#FFFFFF	#000000	##000000
##669C51	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0914B

Deuteranopia (green-blind)

#988D56

Tritanopia (blue-blind)

#64978A

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c51;
/* rgb */ color: rgb(102, 156, 81);
/* oklch */ color: oklch(63.7% 0.120 137.5);

Tailwind

colors: {
  custom: {
    50: '#94b983',
    500: '#669c51',
    950: '#000000',
  },
}

SCSS

$custom: #669c51;
$custom-light: #94b983;
$custom-dark: #000000;

JSON

{
  "hex": "#669c51",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 81
  },
  "hsl": {
    "h": 103.2,
    "s": 31.646,
    "l": 46.471
  },
  "oklch": {
    "l": 0.63675,
    "c": 0.12035,
    "h": 137.5
  },
  "luminance": 0.27196
}

Semantic roles & 50–950 ramp

primary

#669C51

secondary

#AD90B8

accent

#60C8AB

background

#F9FBF8

surface

#F2F6EF

border

#CCD0CA

text

#0D110B

muted

#7E807C

Preview Lab

Preview with #669C51

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

Preview Lab → · Contrast checker → · Palette generator →