black

#000000

#307A40

#307A40

Contrast Ratio

3.98:1

Delta E

63.43

Very Different

50:50 Mix

Color Values

Format #000000 #307A40
HEX #000000 #307A40
RGB 0, 0, 0 48, 122, 64
HSL 0.0, 0.0%, 0.0% 133.0, 43.5%, 33.3%
HSV 0.0, 0.0%, 0.0% 133.0, 60.7%, 47.8%
CMYK 0%, 0%, 0%, 100% 60.7%, 0.0%, 47.5%, 52.2%
OKLCH 0.0 0.0 0.0 0.518 0.116 148.1

Contrast & Accessibility

3.98:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307A40 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307A40

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307A40);
background: linear-gradient(135deg, #000000, #307A40);

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