black

#000000

#218E73

#218E73

Contrast Ratio

5.18:1

Delta E

64.53

Very Different

50:50 Mix

Color Values

Format #000000 #218E73
HEX #000000 #218E73
RGB 0, 0, 0 33, 142, 115
HSL 0.0, 0.0%, 0.0% 165.1, 62.3%, 34.3%
HSV 0.0, 0.0%, 0.0% 165.1, 76.8%, 55.7%
CMYK 0%, 0%, 0%, 100% 76.8%, 0.0%, 19.0%, 44.3%
OKLCH 0.0 0.0 0.0 0.5805 0.1036 171.7

Contrast & Accessibility

5.18:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #218E73 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #218E73

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #218E73);
background: linear-gradient(135deg, #000000, #218E73);

Explore Each Color

Related Comparisons