black

#000000

#21E485

#21E485

Contrast Ratio

12.5:1

Delta E

109.32

Very Different

50:50 Mix

Color Values

Format #000000 #21E485
HEX #000000 #21E485
RGB 0, 0, 0 33, 228, 133
HSL 0.0, 0.0%, 0.0% 150.8, 78.3%, 51.2%
HSV 0.0, 0.0%, 0.0% 150.8, 85.5%, 89.4%
CMYK 0%, 0%, 0%, 100% 85.5%, 0.0%, 41.7%, 10.6%
OKLCH 0.0 0.0 0.0 0.8093 0.1958 154.5

Contrast & Accessibility

12.5:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21E485 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #21E485

Color Difference (Delta E)

109.32 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21E485);
background: linear-gradient(135deg, #000000, #21E485);

Explore Each Color

Related Comparisons