black

#000000

#237B44

#237B44

Contrast Ratio

3.99:1

Delta E

64.11

Very Different

50:50 Mix

Color Values

Format #000000 #237B44
HEX #000000 #237B44
RGB 0, 0, 0 35, 123, 68
HSL 0.0, 0.0%, 0.0% 142.5, 55.7%, 31.0%
HSV 0.0, 0.0%, 0.0% 142.5, 71.5%, 48.2%
CMYK 0%, 0%, 0%, 100% 71.5%, 0.0%, 44.7%, 51.8%
OKLCH 0.0 0.0 0.0 0.5174 0.1191 151.8

Contrast & Accessibility

3.99:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237B44 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237B44

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237B44);
background: linear-gradient(135deg, #000000, #237B44);

Explore Each Color

Related Comparisons