black

#000000

#21A565

#21A565

Contrast Ratio

6.63:1

Delta E

81.18

Very Different

50:50 Mix

Color Values

Format #000000 #21A565
HEX #000000 #21A565
RGB 0, 0, 0 33, 165, 101
HSL 0.0, 0.0%, 0.0% 150.9, 66.7%, 38.8%
HSV 0.0, 0.0%, 0.0% 150.9, 80.0%, 64.7%
CMYK 0%, 0%, 0%, 100% 80.0%, 0.0%, 38.8%, 35.3%
OKLCH 0.0 0.0 0.0 0.6387 0.1454 156.0

Contrast & Accessibility

6.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21A565 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21A565

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21A565);
background: linear-gradient(135deg, #000000, #21A565);

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