black

#000000

#308E71

#308E71

Contrast Ratio

5.23:1

Delta E

63.91

Very Different

50:50 Mix

Color Values

Format #000000 #308E71
HEX #000000 #308E71
RGB 0, 0, 0 48, 142, 113
HSL 0.0, 0.0%, 0.0% 161.5, 49.5%, 37.3%
HSV 0.0, 0.0%, 0.0% 161.5, 66.2%, 55.7%
CMYK 0%, 0%, 0%, 100% 66.2%, 0.0%, 20.4%, 44.3%
OKLCH 0.0 0.0 0.0 0.5836 0.0988 168.8

Contrast & Accessibility

5.23:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #308E71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #308E71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #308E71);
background: linear-gradient(135deg, #000000, #308E71);

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