black

#000000

#21A720

#21A720

Contrast Ratio

6.61:1

Delta E

100.35

Very Different

50:50 Mix

Color Values

Format #000000 #21A720
HEX #000000 #21A720
RGB 0, 0, 0 33, 167, 32
HSL 0.0, 0.0%, 0.0% 119.6, 67.8%, 39.0%
HSV 0.0, 0.0%, 0.0% 119.6, 80.8%, 65.5%
CMYK 0%, 0%, 0%, 100% 80.2%, 0.0%, 80.8%, 34.5%
OKLCH 0.0 0.0 0.0 0.6355 0.2012 142.7

Contrast & Accessibility

6.61:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21A720 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21A720

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21A720);
background: linear-gradient(135deg, #000000, #21A720);

Explore Each Color

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