black

#000000

#21AB39

#21AB39

Contrast Ratio

6.95:1

Delta E

96.8

Very Different

50:50 Mix

Color Values

Format #000000 #21AB39
HEX #000000 #21AB39
RGB 0, 0, 0 33, 171, 57
HSL 0.0, 0.0%, 0.0% 130.4, 67.6%, 40.0%
HSV 0.0, 0.0%, 0.0% 130.4, 80.7%, 67.1%
CMYK 0%, 0%, 0%, 100% 80.7%, 0.0%, 66.7%, 32.9%
OKLCH 0.0 0.0 0.0 0.6484 0.1909 145.2

Contrast & Accessibility

6.95:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AB39 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21AB39

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21AB39);
background: linear-gradient(135deg, #000000, #21AB39);

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