black

#000000

#237D3B

#237D3B

Contrast Ratio

4.07:1

Delta E

68.1

Very Different

50:50 Mix

Color Values

Format #000000 #237D3B
HEX #000000 #237D3B
RGB 0, 0, 0 35, 125, 59
HSL 0.0, 0.0%, 0.0% 136.0, 56.2%, 31.4%
HSV 0.0, 0.0%, 0.0% 136.0, 72.0%, 49.0%
CMYK 0%, 0%, 0%, 100% 72.0%, 0.0%, 52.8%, 51.0%
OKLCH 0.0 0.0 0.0 0.5214 0.1308 148.4

Contrast & Accessibility

4.07:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237D3B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237D3B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237D3B);
background: linear-gradient(135deg, #000000, #237D3B);

Explore Each Color

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