black

#000000

#21B970

#21B970

Contrast Ratio

8.24:1

Delta E

90.13

Very Different

50:50 Mix

Color Values

Format #000000 #21B970
HEX #000000 #21B970
RGB 0, 0, 0 33, 185, 112
HSL 0.0, 0.0%, 0.0% 151.2, 69.7%, 42.7%
HSV 0.0, 0.0%, 0.0% 151.2, 82.2%, 72.5%
CMYK 0%, 0%, 0%, 100% 82.2%, 0.0%, 39.5%, 27.5%
OKLCH 0.0 0.0 0.0 0.694 0.1612 155.7

Contrast & Accessibility

8.24:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B970 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B970

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B970);
background: linear-gradient(135deg, #000000, #21B970);

Explore Each Color

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