black

#000000

#21B533

#21B533

Contrast Ratio

7.72:1

Delta E

103.98

Very Different

50:50 Mix

Color Values

Format #000000 #21B533
HEX #000000 #21B533
RGB 0, 0, 0 33, 181, 51
HSL 0.0, 0.0%, 0.0% 127.3, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 127.3, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 0.0%, 71.8%, 29.0%
OKLCH 0.0 0.0 0.0 0.675 0.2061 144.2

Contrast & Accessibility

7.72:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B533 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B533

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B533);
background: linear-gradient(135deg, #000000, #21B533);

Explore Each Color

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