#668D31#668D31

#668D31 is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.5% C 0.129 H 129.2°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#668D31
RGB	rgb(102, 141, 49)
HSL	hsl(85, 48%, 37%)
HSV	hsv(85, 65%, 55%)
CMYK	cmyk(27.7%, 0%, 65.2%, 44.7%)
CIE-LAB	lab(54.13, -28.76, 43.35)
CIE-LCH	lch(54.13, 52.03, 123.56°)
OKLab	oklab(59.48% -0.0813 0.0996)
OKLCH	oklch(59.48% 0.129 129.2)
XYZ	xyz(15.5587, 22.0959, 6.3503)
Luminance	0.2210 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D31 #58318D

analogous

#8D8631 #668D31 #388D31

triadic

#668D31 #31668D #8D3166

tetradic

#668D31 #318D86 #58318D #8D3138

square

#668D31 #318D86 #58318D #8D3138

split-complementary

#668D31 #31388D #86318D

monochromatic

#243211 #456021 #668D31 #87BA41 #A3CC6C

Accessibility & contrast

On white

3.88

#668D31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#668D31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D31

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D31	#FFFFFF	#000000	##000000
##668D31	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)

#948326

Deuteranopia (green-blind)

#8E8138

Tritanopia (blue-blind)

#69877A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d31;
/* rgb */ color: rgb(102, 141, 49);
/* oklch */ color: oklch(59.5% 0.129 129.2);

Tailwind

colors: {
  custom: {
    50: '#94ae6e',
    500: '#668d31',
    950: '#000000',
  },
}

SCSS

$custom: #668d31;
$custom-light: #94ae6e;
$custom-dark: #000000;

JSON

{
  "hex": "#668d31",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 49
  },
  "hsl": {
    "h": 85.435,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59476,
    "c": 0.12855,
    "h": 129.2
  },
  "luminance": 0.22096
}

Semantic roles & 50–950 ramp

primary

#668D31

secondary

#8766B4

accent

#50D88A

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668D31

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

Preview Lab → · Contrast checker → · Palette generator →