black

#000000

#666F3F

#666F3F

Contrast Ratio

3.91:1

Delta E

53.08

Very Different

50:50 Mix

Color Values

Format #000000 #666F3F
HEX #000000 #666F3F
RGB 0, 0, 0 102, 111, 63
HSL 0.0, 0.0%, 0.0% 71.2, 27.6%, 34.1%
HSV 0.0, 0.0%, 0.0% 71.2, 43.2%, 43.5%
CMYK 0%, 0%, 0%, 100% 8.1%, 0.0%, 43.2%, 56.5%
OKLCH 0.0 0.0 0.0 0.5219 0.0701 117.6

Contrast & Accessibility

3.91:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666F3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #666F3F

Color Difference (Delta E)

53.08 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #666F3F);
background: linear-gradient(135deg, #000000, #666F3F);

Explore Each Color

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