#668D51#668D51

#668D51 is a mid, moderate yellow-green. Relative luminance 0.225; OKLCH L 59.9% C 0.097 H 135.3°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#668D51
RGB	rgb(102, 141, 81)
HSL	hsl(99, 27%, 44%)
HSV	hsv(99, 43%, 55%)
CMYK	cmyk(27.7%, 0%, 42.6%, 44.7%)
CIE-LAB	lab(54.52, -25.10, 27.74)
CIE-LCH	lch(54.52, 37.41, 132.15°)
OKLab	oklab(59.92% -0.0688 0.068)
OKLCH	oklch(59.92% 0.097 135.3)
XYZ	xyz(16.4892, 22.4681, 11.2510)
Luminance	0.2247 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D51 #78518D

analogous

#848D51 #668D51 #518D5A

triadic

#668D51 #51668D #8D5166

tetradic

#668D51 #51848D #78518D #8D5A51

square

#668D51 #51848D #78518D #8D5A51

split-complementary

#668D51 #5A518D #8D5184

monochromatic

#2E3F24 #4A663B #668D51 #84AC6F #A5C396

Accessibility & contrast

On white

3.82

#668D51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#668D51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D51

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D51	#FFFFFF	#000000	##000000
##668D51	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91854C

Deuteranopia (green-blind)

#8B8154

Tritanopia (blue-blind)

#66897E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668d51;
/* rgb */ color: rgb(102, 141, 81);
/* oklch */ color: oklch(59.9% 0.097 135.3);

Tailwind

colors: {
  custom: {
    50: '#93ae83',
    500: '#668d51',
    950: '#000000',
  },
}

SCSS

$custom: #668d51;
$custom-light: #93ae83;
$custom-dark: #000000;

JSON

{
  "hex": "#668d51",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 81
  },
  "hsl": {
    "h": 99,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5992,
    "c": 0.09674,
    "h": 135.3
  },
  "luminance": 0.22469
}

Semantic roles & 50–950 ramp

primary

#668D51

secondary

#A28AAF

accent

#64C3A2

background

#F9FAF8

surface

#F1F4EF

border

#CBCECA

text

#0D100A

muted

#7E7F7C

Preview Lab

Preview with #668D51

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

Preview Lab → · Contrast checker → · Palette generator →