black

#000000

#218C8F

#218C8F

Contrast Ratio

5.21:1

Delta E

60.58

Very Different

50:50 Mix

Color Values

Format #000000 #218C8F
HEX #000000 #218C8F
RGB 0, 0, 0 33, 140, 143
HSL 0.0, 0.0%, 0.0% 181.6, 62.5%, 34.5%
HSV 0.0, 0.0%, 0.0% 181.6, 76.9%, 56.1%
CMYK 0%, 0%, 0%, 100% 76.9%, 2.1%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.5846 0.0914 197.8

Contrast & Accessibility

5.21:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #218C8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #218C8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #218C8F);
background: linear-gradient(135deg, #000000, #218C8F);

Explore Each Color

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