#668B31#668B31

#668B31 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 59.0% C 0.126 H 128.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#668B31
RGB	rgb(102, 139, 49)
HSL	hsl(85, 48%, 37%)
HSV	hsv(85, 65%, 55%)
CMYK	cmyk(26.6%, 0%, 64.7%, 45.5%)
CIE-LAB	lab(53.50, -27.80, 42.67)
CIE-LCH	lch(53.50, 50.93, 123.08°)
OKLab	oklab(58.97% -0.0786 0.0981)
OKLCH	oklch(58.97% 0.126 128.7)
XYZ	xyz(15.2664, 21.5114, 6.2529)
Luminance	0.2151 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668B31 #56318B

analogous

#8B8331 #668B31 #398B31

triadic

#668B31 #31668B #8B3166

tetradic

#668B31 #318B83 #56318B #8B3139

square

#668B31 #318B83 #56318B #8B3139

split-complementary

#668B31 #31398B #83318B

monochromatic

#243111 #455E21 #668B31 #87B841 #A4CB6B

Accessibility & contrast

On white

3.96

#668B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#668B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B31

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668B31	#FFFFFF	#000000	##000000
##668B31	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928126

Deuteranopia (green-blind)

#8C7F38

Tritanopia (blue-blind)

#698578

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668b31;
/* rgb */ color: rgb(102, 139, 49);
/* oklch */ color: oklch(59.0% 0.126 128.7);

Tailwind

colors: {
  custom: {
    50: '#94ad6d',
    500: '#668b31',
    950: '#000000',
  },
}

SCSS

$custom: #668b31;
$custom-light: #94ad6d;
$custom-dark: #000000;

JSON

{
  "hex": "#668b31",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 49
  },
  "hsl": {
    "h": 84.667,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.5897,
    "c": 0.12576,
    "h": 128.7
  },
  "luminance": 0.21512
}

Semantic roles & 50–950 ramp

primary

#668B31

secondary

#8565B2

accent

#50D788

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668B31

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

Preview Lab → · Contrast checker → · Palette generator →