black

#000000

#40FF71

#40FF71

Contrast Ratio

15.76:1

Delta E

127.89

Very Different

50:50 Mix

Color Values

Format #000000 #40FF71
HEX #000000 #40FF71
RGB 0, 0, 0 64, 255, 113
HSL 0.0, 0.0%, 0.0% 135.4, 100.0%, 62.5%
HSV 0.0, 0.0%, 0.0% 135.4, 74.9%, 100.0%
CMYK 0%, 0%, 0%, 100% 74.9%, 0.0%, 55.7%, 0.0%
OKLCH 0.0 0.0 0.0 0.8789 0.2381 147.3

Contrast & Accessibility

15.76:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #40FF71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #40FF71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #40FF71);
background: linear-gradient(135deg, #000000, #40FF71);

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