black

#000000

#288F5F

#288F5F

Contrast Ratio

5.18:1

Delta E

68.98

Very Different

50:50 Mix

Color Values

Format #000000 #288F5F
HEX #000000 #288F5F
RGB 0, 0, 0 40, 143, 95
HSL 0.0, 0.0%, 0.0% 152.0, 56.3%, 35.9%
HSV 0.0, 0.0%, 0.0% 152.0, 72.0%, 56.1%
CMYK 0%, 0%, 0%, 100% 72.0%, 0.0%, 33.6%, 43.9%
OKLCH 0.0 0.0 0.0 0.5795 0.1191 158.4

Contrast & Accessibility

5.18:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288F5F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288F5F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288F5F);
background: linear-gradient(135deg, #000000, #288F5F);

Explore Each Color

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