black

#000000

#55FF0F

#55FF0F

Contrast Ratio

15.7:1

Delta E

144.32

Very Different

50:50 Mix

Color Values

Format #000000 #55FF0F
HEX #000000 #55FF0F
RGB 0, 0, 0 85, 255, 15
HSL 0.0, 0.0%, 0.0% 102.5, 100.0%, 52.9%
HSV 0.0, 0.0%, 0.0% 102.5, 94.1%, 100.0%
CMYK 0%, 0%, 0%, 100% 66.7%, 0.0%, 94.1%, 0.0%
OKLCH 0.0 0.0 0.0 0.877 0.2793 139.9

Contrast & Accessibility

15.7:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #55FF0F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #55FF0F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #55FF0F);
background: linear-gradient(135deg, #000000, #55FF0F);

Explore Each Color

Related Comparisons