black

#000000

#278C3F

#278C3F

Contrast Ratio

4.91:1

Delta E

76.09

Very Different

50:50 Mix

Color Values

Format #000000 #278C3F
HEX #000000 #278C3F
RGB 0, 0, 0 39, 140, 63
HSL 0.0, 0.0%, 0.0% 134.3, 56.4%, 35.1%
HSV 0.0, 0.0%, 0.0% 134.3, 72.1%, 54.9%
CMYK 0%, 0%, 0%, 100% 72.1%, 0.0%, 55.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.565 0.146 147.5

Contrast & Accessibility

4.91:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #278C3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #278C3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #278C3F);
background: linear-gradient(135deg, #000000, #278C3F);

Explore Each Color

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