black

#000000

#187D3F

#187D3F

Contrast Ratio

4.04:1

Delta E

67.7

Very Different

50:50 Mix

Color Values

Format #000000 #187D3F
HEX #000000 #187D3F
RGB 0, 0, 0 24, 125, 63
HSL 0.0, 0.0%, 0.0% 143.2, 67.8%, 29.2%
HSV 0.0, 0.0%, 0.0% 143.2, 80.8%, 49.0%
CMYK 0%, 0%, 0%, 100% 80.8%, 0.0%, 49.6%, 51.0%
OKLCH 0.0 0.0 0.0 0.5196 0.1304 150.9

Contrast & Accessibility

4.04:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #187D3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #187D3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #187D3F);
background: linear-gradient(135deg, #000000, #187D3F);

Explore Each Color

Related Comparisons