black

#000000

#378D4F

#378D4F

Contrast Ratio

5.09:1

Delta E

70.7

Very Different

50:50 Mix

Color Values

Format #000000 #378D4F
HEX #000000 #378D4F
RGB 0, 0, 0 55, 141, 79
HSL 0.0, 0.0%, 0.0% 136.7, 43.9%, 38.4%
HSV 0.0, 0.0%, 0.0% 136.7, 61.0%, 55.3%
CMYK 0%, 0%, 0%, 100% 61.0%, 0.0%, 44.0%, 44.7%
OKLCH 0.0 0.0 0.0 0.5752 0.1255 149.8

Contrast & Accessibility

5.09:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378D4F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378D4F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378D4F);
background: linear-gradient(135deg, #000000, #378D4F);

Explore Each Color

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