black

#000000

#21B148

#21B148

Contrast Ratio

7.45:1

Delta E

96.25

Very Different

50:50 Mix

Color Values

Format #000000 #21B148
HEX #000000 #21B148
RGB 0, 0, 0 33, 177, 72
HSL 0.0, 0.0%, 0.0% 136.2, 68.6%, 41.2%
HSV 0.0, 0.0%, 0.0% 136.2, 81.4%, 69.4%
CMYK 0%, 0%, 0%, 100% 81.4%, 0.0%, 59.3%, 30.6%
OKLCH 0.0 0.0 0.0 0.6663 0.1865 147.1

Contrast & Accessibility

7.45:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B148 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B148

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B148);
background: linear-gradient(135deg, #000000, #21B148);

Explore Each Color

Related Comparisons