black

#000000

#21B590

#21B590

Contrast Ratio

8.08:1

Delta E

80.81

Very Different

50:50 Mix

Color Values

Format #000000 #21B590
HEX #000000 #21B590
RGB 0, 0, 0 33, 181, 144
HSL 0.0, 0.0%, 0.0% 165.0, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 165.0, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 0.0%, 20.4%, 29.0%
OKLCH 0.0 0.0 0.0 0.6911 0.1295 170.5

Contrast & Accessibility

8.08:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B590 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B590

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B590);
background: linear-gradient(135deg, #000000, #21B590);

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