black

#000000

#178A83

#178A83

Contrast Ratio

5.0:1

Delta E

60.73

Very Different

50:50 Mix

Color Values

Format #000000 #178A83
HEX #000000 #178A83
RGB 0, 0, 0 23, 138, 131
HSL 0.0, 0.0%, 0.0% 176.3, 71.4%, 31.6%
HSV 0.0, 0.0%, 0.0% 176.3, 83.3%, 54.1%
CMYK 0%, 0%, 0%, 100% 83.3%, 0.0%, 5.1%, 45.9%
OKLCH 0.0 0.0 0.0 0.5732 0.0948 188.3

Contrast & Accessibility

5.0:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #178A83 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #178A83

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #178A83);
background: linear-gradient(135deg, #000000, #178A83);

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