black

#000000

#138F6B

#138F6B

Contrast Ratio

5.17:1

Delta E

67.36

Very Different

50:50 Mix

Color Values

Format #000000 #138F6B
HEX #000000 #138F6B
RGB 0, 0, 0 19, 143, 107
HSL 0.0, 0.0%, 0.0% 162.6, 76.5%, 31.8%
HSV 0.0, 0.0%, 0.0% 162.6, 86.7%, 56.1%
CMYK 0%, 0%, 0%, 100% 86.7%, 0.0%, 25.2%, 43.9%
OKLCH 0.0 0.0 0.0 0.5787 0.1148 166.7

Contrast & Accessibility

5.17:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #138F6B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #138F6B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #138F6B);
background: linear-gradient(135deg, #000000, #138F6B);

Explore Each Color

Related Comparisons