black

#000000

#40B256

#40B256

Contrast Ratio

7.72:1

Delta E

90.84

Very Different

50:50 Mix

Color Values

Format #000000 #40B256
HEX #000000 #40B256
RGB 0, 0, 0 64, 178, 86
HSL 0.0, 0.0%, 0.0% 131.6, 47.1%, 47.5%
HSV 0.0, 0.0%, 0.0% 131.6, 64.0%, 69.8%
CMYK 0%, 0%, 0%, 100% 64.0%, 0.0%, 51.7%, 30.2%
OKLCH 0.0 0.0 0.0 0.6778 0.1662 147.0

Contrast & Accessibility

7.72:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #40B256 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #40B256

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #40B256);
background: linear-gradient(135deg, #000000, #40B256);

Explore Each Color

Related Comparisons