black

#000000

#21B549

#21B549

Contrast Ratio

7.77:1

Delta E

98.3

Very Different

50:50 Mix

Color Values

Format #000000 #21B549
HEX #000000 #21B549
RGB 0, 0, 0 33, 181, 73
HSL 0.0, 0.0%, 0.0% 136.2, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 136.2, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 0.0%, 59.7%, 29.0%
OKLCH 0.0 0.0 0.0 0.6772 0.1905 147.1

Contrast & Accessibility

7.77:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B549 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B549

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B549);
background: linear-gradient(135deg, #000000, #21B549);

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