black

#000000

#21AD7C

#21AD7C

Contrast Ratio

7.33:1

Delta E

80.33

Very Different

50:50 Mix

Color Values

Format #000000 #21AD7C
HEX #000000 #21AD7C
RGB 0, 0, 0 33, 173, 124
HSL 0.0, 0.0%, 0.0% 159.0, 68.0%, 40.4%
HSV 0.0, 0.0%, 0.0% 159.0, 80.9%, 67.8%
CMYK 0%, 0%, 0%, 100% 80.9%, 0.0%, 28.3%, 32.2%
OKLCH 0.0 0.0 0.0 0.6651 0.1353 163.3

Contrast & Accessibility

7.33:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AD7C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21AD7C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21AD7C);
background: linear-gradient(135deg, #000000, #21AD7C);

Explore Each Color

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