black

#000000

#128B5B

#128B5B

Contrast Ratio

4.87:1

Delta E

68.83

Very Different

50:50 Mix

Color Values

Format #000000 #128B5B
HEX #000000 #128B5B
RGB 0, 0, 0 18, 139, 91
HSL 0.0, 0.0%, 0.0% 156.2, 77.1%, 30.8%
HSV 0.0, 0.0%, 0.0% 156.2, 87.1%, 54.5%
CMYK 0%, 0%, 0%, 100% 87.1%, 0.0%, 34.5%, 45.5%
OKLCH 0.0 0.0 0.0 0.5636 0.1238 159.6

Contrast & Accessibility

4.87:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #128B5B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #128B5B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #128B5B);
background: linear-gradient(135deg, #000000, #128B5B);

Explore Each Color

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