black

#000000

#428B59

#428B59

Contrast Ratio

5.07:1

Delta E

65.75

Very Different

50:50 Mix

Color Values

Format #000000 #428B59
HEX #000000 #428B59
RGB 0, 0, 0 66, 139, 89
HSL 0.0, 0.0%, 0.0% 138.9, 35.6%, 40.2%
HSV 0.0, 0.0%, 0.0% 138.9, 52.5%, 54.5%
CMYK 0%, 0%, 0%, 100% 52.5%, 0.0%, 36.0%, 45.5%
OKLCH 0.0 0.0 0.0 0.5761 0.1066 152.0

Contrast & Accessibility

5.07:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428B59 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428B59

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428B59);
background: linear-gradient(135deg, #000000, #428B59);

Explore Each Color

Related Comparisons