black

#000000

#21CB2D

#21CB2D

Contrast Ratio

9.64:1

Delta E

117.25

Very Different

50:50 Mix

Color Values

Format #000000 #21CB2D
HEX #000000 #21CB2D
RGB 0, 0, 0 33, 203, 45
HSL 0.0, 0.0%, 0.0% 124.2, 72.0%, 46.3%
HSV 0.0, 0.0%, 0.0% 124.2, 83.7%, 79.6%
CMYK 0%, 0%, 0%, 100% 83.7%, 0.0%, 77.8%, 20.4%
OKLCH 0.0 0.0 0.0 0.7336 0.2327 143.4

Contrast & Accessibility

9.64:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21CB2D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21CB2D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21CB2D);
background: linear-gradient(135deg, #000000, #21CB2D);

Explore Each Color

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