black

#000000

#91FF4F

#91FF4F

Contrast Ratio

16.62:1

Delta E

129.78

Very Different

50:50 Mix

Color Values

Format #000000 #91FF4F
HEX #000000 #91FF4F
RGB 0, 0, 0 145, 255, 79
HSL 0.0, 0.0%, 0.0% 97.5, 100.0%, 65.5%
HSV 0.0, 0.0%, 0.0% 97.5, 69.0%, 100.0%
CMYK 0%, 0%, 0%, 100% 43.1%, 0.0%, 69.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.9008 0.2313 136.1

Contrast & Accessibility

16.62:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #91FF4F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #91FF4F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #91FF4F);
background: linear-gradient(135deg, #000000, #91FF4F);

Explore Each Color

Related Comparisons