black

#000000

#21BC9D

#21BC9D

Contrast Ratio

8.74:1

Delta E

82.36

Very Different

50:50 Mix

Color Values

Format #000000 #21BC9D
HEX #000000 #21BC9D
RGB 0, 0, 0 33, 188, 157
HSL 0.0, 0.0%, 0.0% 168.0, 70.1%, 43.3%
HSV 0.0, 0.0%, 0.0% 168.0, 82.4%, 73.7%
CMYK 0%, 0%, 0%, 100% 82.4%, 0.0%, 16.5%, 26.3%
OKLCH 0.0 0.0 0.0 0.7127 0.1289 174.6

Contrast & Accessibility

8.74:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21BC9D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21BC9D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21BC9D);
background: linear-gradient(135deg, #000000, #21BC9D);

Explore Each Color

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