black

#000000

#21BA7F

#21BA7F

Contrast Ratio

8.39:1

Delta E

87.08

Very Different

50:50 Mix

Color Values

Format #000000 #21BA7F
HEX #000000 #21BA7F
RGB 0, 0, 0 33, 186, 127
HSL 0.0, 0.0%, 0.0% 156.9, 69.9%, 42.9%
HSV 0.0, 0.0%, 0.0% 156.9, 82.3%, 72.9%
CMYK 0%, 0%, 0%, 100% 82.3%, 0.0%, 31.7%, 27.1%
OKLCH 0.0 0.0 0.0 0.6998 0.1491 160.8

Contrast & Accessibility

8.39:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21BA7F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21BA7F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21BA7F);
background: linear-gradient(135deg, #000000, #21BA7F);

Explore Each Color

Related Comparisons