black

#000000

#278945

#278945

Contrast Ratio

4.75:1

Delta E

72.43

Very Different

50:50 Mix

Color Values

Format #000000 #278945
HEX #000000 #278945
RGB 0, 0, 0 39, 137, 69
HSL 0.0, 0.0%, 0.0% 138.4, 55.7%, 34.5%
HSV 0.0, 0.0%, 0.0% 138.4, 71.5%, 53.7%
CMYK 0%, 0%, 0%, 100% 71.5%, 0.0%, 49.6%, 46.3%
OKLCH 0.0 0.0 0.0 0.5577 0.1363 149.5

Contrast & Accessibility

4.75:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #278945 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #278945

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #278945);
background: linear-gradient(135deg, #000000, #278945);

Explore Each Color

Related Comparisons