black

#000000

#21806F

#21806F

Contrast Ratio

4.38:1

Delta E

57.41

Very Different

50:50 Mix

Color Values

Format #000000 #21806F
HEX #000000 #21806F
RGB 0, 0, 0 33, 128, 111
HSL 0.0, 0.0%, 0.0% 169.3, 59.0%, 31.6%
HSV 0.0, 0.0%, 0.0% 169.3, 74.2%, 50.2%
CMYK 0%, 0%, 0%, 100% 74.2%, 0.0%, 13.3%, 49.8%
OKLCH 0.0 0.0 0.0 0.5417 0.0897 177.9

Contrast & Accessibility

4.38:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21806F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21806F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21806F);
background: linear-gradient(135deg, #000000, #21806F);

Explore Each Color

Related Comparisons