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Green and Indigo

Split-Complementary color combination with 2.73:1 contrast ratio

#008000
#380282

Color Values

Green
HEX #008000
RGB 0, 128, 0
HSL 120, 100%, 25%
Indigo
HEX #380282
RGB 56, 2, 130
HSL 265, 97%, 26%

Harmony: Split-Complementary

This is a split-complementary pairing: one color paired with the two neighbors of its complement. It offers most of the contrast of a complementary scheme with less tension, making it easier to balance.

The hue angle between Green and Indigo is 145 degrees. You can explore these relationships interactively in our Color Wheel Tool.

WCAG Contrast

2.73:1
Green background with Indigo text
Below AA — decorative use only

UI Preview

Green surface

Sample text on a green background demonstrates readability and visual hierarchy.

Indigo surface

Sample text on a indigo background demonstrates readability and visual hierarchy.

Design Tokens

CSS Variables

:root {
  --color-a: #008000;
  --color-b: #380282;
  --color-a-rgb: 0, 128, 0;
  --color-b-rgb: 56, 2, 130;
}

JSON

{
  "name": "Green and Indigo",
  "colors": [
    {
      "name": "Green",
      "hex": "#008000",
      "rgb": [
        0,
        128,
        0
      ]
    },
    {
      "name": "Indigo",
      "hex": "#380282",
      "rgb": [
        56,
        2,
        130
      ]
    }
  ],
  "harmony": "Split-Complementary",
  "contrastRatio": 2.73
}

Explore These Colors

Frequently Asked Questions

Do green and indigo go together?

Yes. Green and Indigo form a split-complementary color combination. This is a split-complementary pairing: one color paired with the two neighbors of its complement. It offers most of the contrast of a complementary scheme with less tension, making it easier to balance. The pairing has a WCAG contrast ratio of 2.73:1, which is below the AA threshold for text — use it for decorative purposes rather than text readability.

What is the contrast ratio between green and indigo?

The WCAG 2.1 contrast ratio between Green (#008000) and Indigo (#380282) is 2.73:1. This ratio is below AA. Use the pairing for backgrounds, borders, and decorative elements rather than text-on-background combinations.

How do I use green and indigo in design?

A safe starting point is the 60/30/10 rule: give one color about 60 percent of the surface area, the other about 30 percent, and reserve the remaining 10 percent for an accent or neutral. If one color is significantly darker, use it for text or structural elements and the lighter one for backgrounds. Test the result with our Contrast Checker if text is involved.

What are the hex and RGB values for green and indigo?

Green has the hex code #008000 and RGB values rgb(0, 128, 0). Indigo has the hex code #380282 and RGB values rgb(56, 2, 130). You can copy these directly into CSS or use the design tokens provided on this page.