black

#000000

#21A52C

#21A52C

Contrast Ratio

6.48:1

Delta E

96.63

Very Different

50:50 Mix

Color Values

Format #000000 #21A52C
HEX #000000 #21A52C
RGB 0, 0, 0 33, 165, 44
HSL 0.0, 0.0%, 0.0% 125.0, 66.7%, 38.8%
HSV 0.0, 0.0%, 0.0% 125.0, 80.0%, 64.7%
CMYK 0%, 0%, 0%, 100% 80.0%, 0.0%, 73.3%, 35.3%
OKLCH 0.0 0.0 0.0 0.6308 0.1926 143.8

Contrast & Accessibility

6.48:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21A52C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21A52C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21A52C);
background: linear-gradient(135deg, #000000, #21A52C);

Explore Each Color

Related Comparisons