#668D1D#668D1D

#668D1D is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.3% C 0.142 H 127.6°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#668D1D
RGB	rgb(102, 141, 29)
HSL	hsl(81, 66%, 33%)
HSV	hsv(81, 79%, 55%)
CMYK	cmyk(27.7%, 0%, 79.4%, 44.7%)
CIE-LAB	lab(53.99, -30.12, 51.02)
CIE-LCH	lch(53.99, 59.24, 120.56°)
OKLab	oklab(59.32% -0.0867 0.1126)
OKLCH	oklch(59.32% 0.142 127.6)
XYZ	xyz(15.2262, 21.9629, 4.5992)
Luminance	0.2196 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D1D #441D8D

analogous

#8D7C1D #668D1D #2E8D1D

triadic

#668D1D #1D668D #8D1D66

tetradic

#668D1D #1D8D7C #441D8D #8D1D2E

square

#668D1D #1D8D7C #441D8D #8D1D2E

split-complementary

#668D1D #1D2E8D #7C1D8D

monochromatic

#1D2708 #415A13 #668D1D #8BC027 #A8DA4B

Accessibility & contrast

On white

3.89

#668D1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#668D1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D1D

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D1D	#FFFFFF	#000000	##000000
##668D1D	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948300

Deuteranopia (green-blind)

#8F8029

Tritanopia (blue-blind)

#6A8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d1d;
/* rgb */ color: rgb(102, 141, 29);
/* oklch */ color: oklch(59.3% 0.142 127.6);

Tailwind

colors: {
  custom: {
    50: '#95ae63',
    500: '#668d1d',
    950: '#000000',
  },
}

SCSS

$custom: #668d1d;
$custom-light: #95ae63;
$custom-dark: #000000;

JSON

{
  "hex": "#668d1d",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 29
  },
  "hsl": {
    "h": 80.893,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.59317,
    "c": 0.14212,
    "h": 127.6
  },
  "luminance": 0.21963
}

Semantic roles & 50–950 ramp

primary

#668D1D

secondary

#724ABC

accent

#3FE97A

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668D1D

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

Preview Lab → · Contrast checker → · Palette generator →