black

#000000

#21AB41

#21AB41

Contrast Ratio

6.97:1

Delta E

94.66

Very Different

50:50 Mix

Color Values

Format #000000 #21AB41
HEX #000000 #21AB41
RGB 0, 0, 0 33, 171, 65
HSL 0.0, 0.0%, 0.0% 133.9, 67.6%, 40.0%
HSV 0.0, 0.0%, 0.0% 133.9, 80.7%, 67.1%
CMYK 0%, 0%, 0%, 100% 80.7%, 0.0%, 62.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.6492 0.1849 146.3

Contrast & Accessibility

6.97:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AB41 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21AB41

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21AB41);
background: linear-gradient(135deg, #000000, #21AB41);

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