black

#000000

#40BF40

#40BF40

Contrast Ratio

8.74:1

Delta E

104.38

Very Different

50:50 Mix

Color Values

Format #000000 #40BF40
HEX #000000 #40BF40
RGB 0, 0, 0 64, 191, 64
HSL 0.0, 0.0%, 0.0% 120.0, 49.8%, 50.0%
HSV 0.0, 0.0%, 0.0% 120.0, 66.5%, 74.9%
CMYK 0%, 0%, 0%, 100% 66.5%, 0.0%, 66.5%, 25.1%
OKLCH 0.0 0.0 0.0 0.7093 0.2003 143.1

Contrast & Accessibility

8.74:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #40BF40 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #40BF40

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #40BF40);
background: linear-gradient(135deg, #000000, #40BF40);

Explore Each Color

Related Comparisons