black

#000000

#66BC9F

#66BC9F

Contrast Ratio

9.26:1

Delta E

78.0

Very Different

50:50 Mix

Color Values

Format #000000 #66BC9F
HEX #000000 #66BC9F
RGB 0, 0, 0 102, 188, 159
HSL 0.0, 0.0%, 0.0% 159.8, 39.1%, 56.9%
HSV 0.0, 0.0%, 0.0% 159.8, 45.7%, 73.7%
CMYK 0%, 0%, 0%, 100% 45.7%, 0.0%, 15.4%, 26.3%
OKLCH 0.0 0.0 0.0 0.7328 0.0947 169.6

Contrast & Accessibility

9.26:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66BC9F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66BC9F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66BC9F);
background: linear-gradient(135deg, #000000, #66BC9F);

Explore Each Color

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