#668D2F#668D2F

#668D2F is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.5% C 0.130 H 129.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#668D2F
RGB	rgb(102, 141, 47)
HSL	hsl(85, 50%, 37%)
HSV	hsv(85, 67%, 55%)
CMYK	cmyk(27.7%, 0%, 66.7%, 44.7%)
CIE-LAB	lab(54.11, -28.93, 44.22)
CIE-LCH	lch(54.11, 52.84, 123.20°)
OKLab	oklab(59.46% -0.0819 0.1011)
OKLCH	oklch(59.46% 0.13 129)
XYZ	xyz(15.5174, 22.0794, 6.1330)
Luminance	0.2208 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D2F #562F8D

analogous

#8D852F #668D2F #378D2F

triadic

#668D2F #2F668D #8D2F66

tetradic

#668D2F #2F8D85 #562F8D #8D2F37

square

#668D2F #2F8D85 #562F8D #8D2F37

split-complementary

#668D2F #2F378D #852F8D

monochromatic

#243110 #455F20 #668D2F #87BB3E #A4CD69

Accessibility & contrast

On white

3.88

#668D2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#668D2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D2F

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D2F	#FFFFFF	#000000	##000000
##668D2F	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948323

Deuteranopia (green-blind)

#8E8036

Tritanopia (blue-blind)

#69877A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d2f;
/* rgb */ color: rgb(102, 141, 47);
/* oklch */ color: oklch(59.5% 0.130 129.0);

Tailwind

colors: {
  custom: {
    50: '#95ae6c',
    500: '#668d2f',
    950: '#000000',
  },
}

SCSS

$custom: #668d2f;
$custom-light: #95ae6c;
$custom-dark: #000000;

JSON

{
  "hex": "#668d2f",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 47
  },
  "hsl": {
    "h": 84.894,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.59456,
    "c": 0.13016,
    "h": 129
  },
  "luminance": 0.2208
}

Semantic roles & 50–950 ramp

primary

#668D2F

secondary

#8564B4

accent

#4EDA88

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668D2F

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

Preview Lab → · Contrast checker → · Palette generator →