black

#000000

#81FFC6

#81FFC6

Contrast Ratio

17.05:1

Delta E

104.91

Very Different

50:50 Mix

Color Values

Format #000000 #81FFC6
HEX #000000 #81FFC6
RGB 0, 0, 0 129, 255, 198
HSL 0.0, 0.0%, 0.0% 152.9, 100.0%, 75.3%
HSV 0.0, 0.0%, 0.0% 152.9, 49.4%, 100.0%
CMYK 0%, 0%, 0%, 100% 49.4%, 0.0%, 22.4%, 0.0%
OKLCH 0.0 0.0 0.0 0.9123 0.1394 162.2

Contrast & Accessibility

17.05:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #81FFC6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #81FFC6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #81FFC6);
background: linear-gradient(135deg, #000000, #81FFC6);

Explore Each Color

Related Comparisons