black

#000000

#258B6F

#258B6F

Contrast Ratio

5.0:1

Delta E

63.32

Very Different

50:50 Mix

Color Values

Format #000000 #258B6F
HEX #000000 #258B6F
RGB 0, 0, 0 37, 139, 111
HSL 0.0, 0.0%, 0.0% 163.5, 58.0%, 34.5%
HSV 0.0, 0.0%, 0.0% 163.5, 73.4%, 54.5%
CMYK 0%, 0%, 0%, 100% 73.4%, 0.0%, 20.1%, 45.5%
OKLCH 0.0 0.0 0.0 0.5722 0.1013 170.2

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: #258B6F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #258B6F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #258B6F);
background: linear-gradient(135deg, #000000, #258B6F);

Explore Each Color

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