black

#000000

#66CB4D

#66CB4D

Contrast Ratio

10.21:1

Delta E

104.68

Very Different

50:50 Mix

Color Values

Format #000000 #66CB4D
HEX #000000 #66CB4D
RGB 0, 0, 0 102, 203, 77
HSL 0.0, 0.0%, 0.0% 108.1, 54.8%, 54.9%
HSV 0.0, 0.0%, 0.0% 108.1, 62.1%, 79.6%
CMYK 0%, 0%, 0%, 100% 49.8%, 0.0%, 62.1%, 20.4%
OKLCH 0.0 0.0 0.0 0.7546 0.1895 139.8

Contrast & Accessibility

10.21:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CB4D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CB4D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CB4D);
background: linear-gradient(135deg, #000000, #66CB4D);

Explore Each Color

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