black

#000000

#EFEF44

#EFEF44

Contrast Ratio

17.1:1

Delta E

121.67

Very Different

50:50 Mix

Color Values

Format #000000 #EFEF44
HEX #000000 #EFEF44
RGB 0, 0, 0 239, 239, 68
HSL 0.0, 0.0%, 0.0% 60.0, 84.2%, 60.2%
HSV 0.0, 0.0%, 0.0% 60.0, 71.5%, 93.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 0.0%, 71.5%, 6.3%
OKLCH 0.0 0.0 0.0 0.9237 0.1811 109.5

Contrast & Accessibility

17.1:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EFEF44 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #EFEF44

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #EFEF44);
background: linear-gradient(135deg, #000000, #EFEF44);

Explore Each Color

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