#668C2B#668C2B

#668C2B is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.132 H 128.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#668C2B
RGB	rgb(102, 140, 43)
HSL	hsl(84, 53%, 36%)
HSV	hsv(84, 69%, 55%)
CMYK	cmyk(27.1%, 0%, 69.3%, 45.1%)
CIE-LAB	lab(53.77, -28.76, 45.56)
CIE-LCH	lch(53.77, 53.88, 122.26°)
OKLab	oklab(59.17% -0.0818 0.1034)
OKLCH	oklch(59.17% 0.132 128.4)
XYZ	xyz(15.2936, 21.7550, 5.6784)
Luminance	0.2175 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668C2B #512B8C

analogous

#8C812B #668C2B #368C2B

triadic

#668C2B #2B668C #8C2B66

tetradic

#668C2B #2B8C81 #512B8C #8C2B36

square

#668C2B #2B8C81 #512B8C #8C2B36

split-complementary

#668C2B #2B368C #812B8C

monochromatic

#222E0E #445D1D #668C2B #88BB39 #A4CF62

Accessibility & contrast

On white

3.92

#668C2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#668C2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C2B

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668C2B	#FFFFFF	#000000	##000000
##668C2B	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93821D

Deuteranopia (green-blind)

#8E8033

Tritanopia (blue-blind)

#698678

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668c2b;
/* rgb */ color: rgb(102, 140, 43);
/* oklch */ color: oklch(59.2% 0.132 128.4);

Tailwind

colors: {
  custom: {
    50: '#95ad6a',
    500: '#668c2b',
    950: '#000000',
  },
}

SCSS

$custom: #668c2b;
$custom-light: #95ad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#668c2b",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 43
  },
  "hsl": {
    "h": 83.505,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59166,
    "c": 0.13187,
    "h": 128.4
  },
  "luminance": 0.21755
}

Semantic roles & 50–950 ramp

primary

#668C2B

secondary

#805EB5

accent

#4BDC84

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1007

muted

#7E7F7A

Preview Lab

Preview with #668C2B

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

Preview Lab → · Contrast checker → · Palette generator →