black

#000000

#178F2B

#178F2B

Contrast Ratio

5.0:1

Delta E

84.7

Very Different

50:50 Mix

Color Values

Format #000000 #178F2B
HEX #000000 #178F2B
RGB 0, 0, 0 23, 143, 43
HSL 0.0, 0.0%, 0.0% 130.0, 72.3%, 32.5%
HSV 0.0, 0.0%, 0.0% 130.0, 83.9%, 56.1%
CMYK 0%, 0%, 0%, 100% 83.9%, 0.0%, 69.9%, 43.9%
OKLCH 0.0 0.0 0.0 0.5678 0.1704 144.9

Contrast & Accessibility

5.0:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #178F2B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #178F2B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #178F2B);
background: linear-gradient(135deg, #000000, #178F2B);

Explore Each Color

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