black

#000000

#21D02B

#21D02B

Contrast Ratio

10.12:1

Delta E

120.28

Very Different

50:50 Mix

Color Values

Format #000000 #21D02B
HEX #000000 #21D02B
RGB 0, 0, 0 33, 208, 43
HSL 0.0, 0.0%, 0.0% 123.4, 72.6%, 47.3%
HSV 0.0, 0.0%, 0.0% 123.4, 84.1%, 81.6%
CMYK 0%, 0%, 0%, 100% 84.1%, 0.0%, 79.3%, 18.4%
OKLCH 0.0 0.0 0.0 0.7468 0.2387 143.2

Contrast & Accessibility

10.12:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21D02B β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #21D02B

Color Difference (Delta E)

120.28 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, #21D02B);
background: linear-gradient(135deg, #000000, #21D02B);

Explore Each Color

Related Comparisons