black

#000000

#EFF239

#EFF239

Contrast Ratio

17.43:1

Delta E

125.13

Very Different

50:50 Mix

Color Values

Format #000000 #EFF239
HEX #000000 #EFF239
RGB 0, 0, 0 239, 242, 57
HSL 0.0, 0.0%, 0.0% 61.0, 87.7%, 58.6%
HSV 0.0, 0.0%, 0.0% 61.0, 76.4%, 94.9%
CMYK 0%, 0%, 0%, 100% 1.2%, 0.0%, 76.4%, 5.1%
OKLCH 0.0 0.0 0.0 0.9294 0.1895 110.6

Contrast & Accessibility

17.43:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #EFF239 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #EFF239

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #EFF239);
background: linear-gradient(135deg, #000000, #EFF239);

Explore Each Color

Related Comparisons