black

#000000

#FF0900

#FF0900

Contrast Ratio

5.29:1

Delta E

117.05

Very Different

50:50 Mix

Color Values

Format #000000 #FF0900
HEX #000000 #FF0900
RGB 0, 0, 0 255, 9, 0
HSL 0.0, 0.0%, 0.0% 2.1, 100.0%, 50.0%
HSV 0.0, 0.0%, 0.0% 2.1, 100.0%, 100.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 96.5%, 100.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.6295 0.2562 29.5

Contrast & Accessibility

5.29:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FF0900 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #FF0900

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #FF0900);
background: linear-gradient(135deg, #000000, #FF0900);

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