black

#000000

#21AD36

#21AD36

Contrast Ratio

7.1:1

Delta E

98.72

Very Different

50:50 Mix

Color Values

Format #000000 #21AD36
HEX #000000 #21AD36
RGB 0, 0, 0 33, 173, 54
HSL 0.0, 0.0%, 0.0% 129.0, 68.0%, 40.4%
HSV 0.0, 0.0%, 0.0% 129.0, 80.9%, 67.8%
CMYK 0%, 0%, 0%, 100% 80.9%, 0.0%, 68.8%, 32.2%
OKLCH 0.0 0.0 0.0 0.6535 0.1953 144.7

Contrast & Accessibility

7.1:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AD36 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21AD36

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21AD36);
background: linear-gradient(135deg, #000000, #21AD36);

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