#668B1D#668B1D

#668B1D is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.8% C 0.140 H 127.1°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#668B1D
RGB	rgb(102, 139, 29)
HSL	hsl(80, 65%, 33%)
HSV	hsv(80, 79%, 55%)
CMYK	cmyk(26.6%, 0%, 79.1%, 45.5%)
CIE-LAB	lab(53.36, -29.17, 50.43)
CIE-LCH	lch(53.36, 58.26, 120.04°)
OKLab	oklab(58.81% -0.0841 0.1114)
OKLCH	oklch(58.81% 0.14 127.1)
XYZ	xyz(14.9339, 21.3784, 4.5018)
Luminance	0.2138 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668B1D #421D8B

analogous

#8B791D #668B1D #2F8B1D

triadic

#668B1D #1D668B #8B1D66

tetradic

#668B1D #1D8B79 #421D8B #8B1D2F

square

#668B1D #1D8B79 #421D8B #8B1D2F

split-complementary

#668B1D #1D2F8B #791D8B

monochromatic

#1C2608 #415812 #668B1D #8BBE28 #A9D949

Accessibility & contrast

On white

3.98

#668B1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#668B1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B1D

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668B1D	#FFFFFF	#000000	##000000
##668B1D	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928100

Deuteranopia (green-blind)

#8D7F28

Tritanopia (blue-blind)

#6A8477

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #668b1d;
/* rgb */ color: rgb(102, 139, 29);
/* oklch */ color: oklch(58.8% 0.140 127.1);

Tailwind

colors: {
  custom: {
    50: '#95ad63',
    500: '#668b1d',
    950: '#000000',
  },
}

SCSS

$custom: #668b1d;
$custom-light: #95ad63;
$custom-dark: #000000;

JSON

{
  "hex": "#668b1d",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 29
  },
  "hsl": {
    "h": 80.182,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.58808,
    "c": 0.13957,
    "h": 127.1
  },
  "luminance": 0.21379
}

Semantic roles & 50–950 ramp

primary

#668B1D

secondary

#6F49BB

accent

#3FE878

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668B1D

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

Preview Lab → · Contrast checker → · Palette generator →