black

#000000

#288C38

#288C38

Contrast Ratio

4.9:1

Delta E

78.07

Very Different

50:50 Mix

Color Values

Format #000000 #288C38
HEX #000000 #288C38
RGB 0, 0, 0 40, 140, 56
HSL 0.0, 0.0%, 0.0% 129.6, 55.6%, 35.3%
HSV 0.0, 0.0%, 0.0% 129.6, 71.4%, 54.9%
CMYK 0%, 0%, 0%, 100% 71.4%, 0.0%, 60.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.5643 0.1518 145.7

Contrast & Accessibility

4.9:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288C38 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288C38

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288C38);
background: linear-gradient(135deg, #000000, #288C38);

Explore Each Color

Related Comparisons