black

#000000

#258C63

#258C63

Contrast Ratio

5.01:1

Delta E

66.41

Very Different

50:50 Mix

Color Values

Format #000000 #258C63
HEX #000000 #258C63
RGB 0, 0, 0 37, 140, 99
HSL 0.0, 0.0%, 0.0% 156.1, 58.2%, 34.7%
HSV 0.0, 0.0%, 0.0% 156.1, 73.6%, 54.9%
CMYK 0%, 0%, 0%, 100% 73.6%, 0.0%, 29.3%, 45.1%
OKLCH 0.0 0.0 0.0 0.5717 0.1125 161.9

Contrast & Accessibility

5.01:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #258C63 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #258C63

Color Difference (Delta E)

66.41 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #258C63);
background: linear-gradient(135deg, #000000, #258C63);

Explore Each Color

Related Comparisons