#668B2D#668B2D

#668B2D is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.9% C 0.129 H 128.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#668B2D
RGB	rgb(102, 139, 45)
HSL	hsl(84, 51%, 36%)
HSV	hsv(84, 68%, 55%)
CMYK	cmyk(26.6%, 0%, 67.6%, 45.5%)
CIE-LAB	lab(53.47, -28.13, 44.40)
CIE-LCH	lch(53.47, 52.56, 122.35°)
OKLab	oklab(58.93% -0.0799 0.1013)
OKLCH	oklch(58.93% 0.129 128.3)
XYZ	xyz(15.1857, 21.4791, 5.8279)
Luminance	0.2148 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668B2D #522D8B

analogous

#8B812D #668B2D #378B2D

triadic

#668B2D #2D668B #8B2D66

tetradic

#668B2D #2D8B81 #522D8B #8B2D37

square

#668B2D #2D8B81 #522D8B #8B2D37

split-complementary

#668B2D #2D378B #812D8B

monochromatic

#222F0F #445D1E #668B2D #88B93C #A4CD65

Accessibility & contrast

On white

3.97

#668B2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#668B2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B2D

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668B2D	#FFFFFF	#000000	##000000
##668B2D	1.00	3.97	5.30	5.30
#FFFFFF	3.97	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)

#928120

Deuteranopia (green-blind)

#8D7F34

Tritanopia (blue-blind)

#698578

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668b2d;
/* rgb */ color: rgb(102, 139, 45);
/* oklch */ color: oklch(58.9% 0.129 128.3);

Tailwind

colors: {
  custom: {
    50: '#95ad6b',
    500: '#668b2d',
    950: '#000000',
  },
}

SCSS

$custom: #668b2d;
$custom-light: #95ad6b;
$custom-dark: #000000;

JSON

{
  "hex": "#668b2d",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 45
  },
  "hsl": {
    "h": 83.617,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.58931,
    "c": 0.12899,
    "h": 128.3
  },
  "luminance": 0.21479
}

Semantic roles & 50–950 ramp

primary

#668B2D

secondary

#8160B4

accent

#4DDB85

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668B2D

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

Preview Lab → · Contrast checker → · Palette generator →