black

#000000

#21AC35

#21AC35

Contrast Ratio

7.02:1

Delta E

98.4

Very Different

50:50 Mix

Color Values

Format #000000 #21AC35
HEX #000000 #21AC35
RGB 0, 0, 0 33, 172, 53
HSL 0.0, 0.0%, 0.0% 128.6, 67.8%, 40.2%
HSV 0.0, 0.0%, 0.0% 128.6, 80.8%, 67.5%
CMYK 0%, 0%, 0%, 100% 80.8%, 0.0%, 69.2%, 32.5%
OKLCH 0.0 0.0 0.0 0.6507 0.1948 144.6

Contrast & Accessibility

7.02:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AC35 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21AC35

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21AC35);
background: linear-gradient(135deg, #000000, #21AC35);

Explore Each Color

Related Comparisons