black

#000000

#21B448

#21B448

Contrast Ratio

7.69:1

Delta E

98.0

Very Different

50:50 Mix

Color Values

Format #000000 #21B448
HEX #000000 #21B448
RGB 0, 0, 0 33, 180, 72
HSL 0.0, 0.0%, 0.0% 135.9, 69.0%, 41.8%
HSV 0.0, 0.0%, 0.0% 135.9, 81.7%, 70.6%
CMYK 0%, 0%, 0%, 100% 81.7%, 0.0%, 60.0%, 29.4%
OKLCH 0.0 0.0 0.0 0.6744 0.1901 146.9

Contrast & Accessibility

7.69:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B448 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B448

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B448);
background: linear-gradient(135deg, #000000, #21B448);

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