black

#000000

#618A7F

#618A7F

Contrast Ratio

5.45:1

Delta E

56.8

Very Different

50:50 Mix

Color Values

Format #000000 #618A7F
HEX #000000 #618A7F
RGB 0, 0, 0 97, 138, 127
HSL 0.0, 0.0%, 0.0% 163.9, 17.4%, 46.1%
HSV 0.0, 0.0%, 0.0% 163.9, 29.7%, 54.1%
CMYK 0%, 0%, 0%, 100% 29.7%, 0.0%, 8.0%, 45.9%
OKLCH 0.0 0.0 0.0 0.5998 0.0484 176.1

Contrast & Accessibility

5.45:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #618A7F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #618A7F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #618A7F);
background: linear-gradient(135deg, #000000, #618A7F);

Explore Each Color

Related Comparisons