black

#000000

#297F3F

#297F3F

Contrast Ratio

4.2:1

Delta E

67.66

Very Different

50:50 Mix

Color Values

Format #000000 #297F3F
HEX #000000 #297F3F
RGB 0, 0, 0 41, 127, 63
HSL 0.0, 0.0%, 0.0% 135.3, 51.2%, 32.9%
HSV 0.0, 0.0%, 0.0% 135.3, 67.7%, 49.8%
CMYK 0%, 0%, 0%, 100% 67.7%, 0.0%, 50.4%, 50.2%
OKLCH 0.0 0.0 0.0 0.5294 0.1274 148.5

Contrast & Accessibility

4.2:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #297F3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #297F3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #297F3F);
background: linear-gradient(135deg, #000000, #297F3F);

Explore Each Color

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