#668A1F#668A1F

#668A1F is a mid, vivid yellow-green. Relative luminance 0.211; OKLCH L 58.6% C 0.137 H 126.9°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#668A1F
RGB	rgb(102, 138, 31)
HSL	hsl(80, 63%, 33%)
HSV	hsv(80, 78%, 54%)
CMYK	cmyk(26.1%, 0%, 77.5%, 45.9%)
CIE-LAB	lab(53.06, -28.58, 49.47)
CIE-LCH	lch(53.06, 57.13, 120.02°)
OKLab	oklab(58.57% -0.0824 0.1097)
OKLCH	oklch(58.57% 0.137 126.9)
XYZ	xyz(14.8153, 21.1004, 4.5883)
Luminance	0.2110 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668A1F #431F8A

analogous

#8A781F #668A1F #308A1F

triadic

#668A1F #1F668A #8A1F66

tetradic

#668A1F #1F8A78 #431F8A #8A1F30

square

#668A1F #1F8A78 #431F8A #8A1F30

split-complementary

#668A1F #1F308A #781F8A

monochromatic

#1C2609 #415814 #668A1F #8BBC2A #A8D74C

Accessibility & contrast

On white

4.02

#668A1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#668A1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668A1F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668A1F	#FFFFFF	#000000	##000000
##668A1F	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918006

Deuteranopia (green-blind)

#8D7E29

Tritanopia (blue-blind)

#6A8376

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #668a1f;
/* rgb */ color: rgb(102, 138, 31);
/* oklch */ color: oklch(58.6% 0.137 126.9);

Tailwind

colors: {
  custom: {
    50: '#95ac64',
    500: '#668a1f',
    950: '#000000',
  },
}

SCSS

$custom: #668a1f;
$custom-light: #95ac64;
$custom-dark: #000000;

JSON

{
  "hex": "#668a1f",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 31
  },
  "hsl": {
    "h": 80.187,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.58566,
    "c": 0.13717,
    "h": 126.9
  },
  "luminance": 0.21101
}

Semantic roles & 50–950 ramp

primary

#668A1F

secondary

#704BBA

accent

#41E679

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668A1F

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

Preview Lab → · Contrast checker → · Palette generator →