black

#000000

#21B192

#21B192

Contrast Ratio

7.77:1

Delta E

78.34

Very Different

50:50 Mix

Color Values

Format #000000 #21B192
HEX #000000 #21B192
RGB 0, 0, 0 33, 177, 146
HSL 0.0, 0.0%, 0.0% 167.1, 68.6%, 41.2%
HSV 0.0, 0.0%, 0.0% 167.1, 81.4%, 69.4%
CMYK 0%, 0%, 0%, 100% 81.4%, 0.0%, 17.5%, 30.6%
OKLCH 0.0 0.0 0.0 0.6813 0.1237 173.4

Contrast & Accessibility

7.77:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B192 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B192

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B192);
background: linear-gradient(135deg, #000000, #21B192);

Explore Each Color

Related Comparisons