black

#000000

#51978C

#51978C

Contrast Ratio

6.16:1

Delta E

62.95

Very Different

50:50 Mix

Color Values

Format #000000 #51978C
HEX #000000 #51978C
RGB 0, 0, 0 81, 151, 140
HSL 0.0, 0.0%, 0.0% 170.6, 30.2%, 45.5%
HSV 0.0, 0.0%, 0.0% 170.6, 46.4%, 59.2%
CMYK 0%, 0%, 0%, 100% 46.4%, 0.0%, 7.3%, 40.8%
OKLCH 0.0 0.0 0.0 0.6272 0.0732 182.5

Contrast & Accessibility

6.16:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51978C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51978C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51978C);
background: linear-gradient(135deg, #000000, #51978C);

Explore Each Color

Related Comparisons