#668C31#668C31

#668C31 is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.127 H 129.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#668C31
RGB	rgb(102, 140, 49)
HSL	hsl(85, 48%, 37%)
HSV	hsv(85, 65%, 55%)
CMYK	cmyk(27.1%, 0%, 65%, 45.1%)
CIE-LAB	lab(53.82, -28.28, 43.01)
CIE-LCH	lch(53.82, 51.48, 123.33°)
OKLab	oklab(59.22% -0.08 0.0989)
OKLCH	oklch(59.22% 0.127 129)
XYZ	xyz(15.4119, 21.8023, 6.3014)
Luminance	0.2180 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668C31 #57318C

analogous

#8C8531 #668C31 #398C31

triadic

#668C31 #31668C #8C3166

tetradic

#668C31 #318C85 #57318C #8C3139

square

#668C31 #318C85 #57318C #8C3139

split-complementary

#668C31 #31398C #85318C

monochromatic

#243111 #455F21 #668C31 #87B941 #A4CC6C

Accessibility & contrast

On white

3.92

#668C31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#668C31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C31

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668C31	#FFFFFF	#000000	##000000
##668C31	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938226

Deuteranopia (green-blind)

#8D8038

Tritanopia (blue-blind)

#698679

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668c31;
/* rgb */ color: rgb(102, 140, 49);
/* oklch */ color: oklch(59.2% 0.127 129.0);

Tailwind

colors: {
  custom: {
    50: '#94ae6d',
    500: '#668c31',
    950: '#000000',
  },
}

SCSS

$custom: #668c31;
$custom-light: #94ae6d;
$custom-dark: #000000;

JSON

{
  "hex": "#668c31",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 49
  },
  "hsl": {
    "h": 85.055,
    "s": 48.148,
    "l": 37.059
  },
  "oklch": {
    "l": 0.59223,
    "c": 0.12716,
    "h": 129
  },
  "luminance": 0.21803
}

Semantic roles & 50–950 ramp

primary

#668C31

secondary

#8666B3

accent

#50D889

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668C31

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

Preview Lab → · Contrast checker → · Palette generator →