Palettes / Colors / #31991B

#31991B — Green

#31991B is a green color we call Green, closest to the named color ForestGreen (#228B22). It belongs to the green family.

Color name

Closest CSS keyword: forestgreen (#228B22) — not an exact match. CSS forestgreen gives you #228B22, a different color; use #31991B when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#31991B is a warm-leaning green color associated with growth, calm and balance. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #831B98; it also sits naturally between #6E981B and #1B9844. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 19% · Green 60% · Blue 11%

Cyan 68% · Magenta 0% · Yellow 82% · Key 40%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #31991B

.text { color: #31991B; }
.background { background-color: #31991B; }
.border { border: 3px solid #31991B; }
.text-rgb { color: rgb(49, 153, 27); }
.text-hsl { color: hsl(110, 70%, 35%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #31991B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(49, 153, 27, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #31991B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(49, 153, 27, 0.8); }

HTML: <p style="color:#31991B">Text here</p> · <div style="background-color:#31991B">Div content here</div>

Shades of #31991B

Tints of #31991B

Tones of #31991B

Color harmonies

Complementary — #831B98:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #31991B: #000000.

Semi-transparent (opacity) text on #31991B

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #31991B looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #31991B rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #31991A  ·  #31991C →

Frequently asked questions

What color is #31991B?

#31991B is Green, a green color (RGB 49, 153, 27). Its closest standard named color is ForestGreen.

What is the RGB and HSL of #31991B?

#31991B is RGB 49, 153, 27 — HSL 110°, 70%, 35% — CMYK 68%, 0%, 82%, 40%.

What colors go with #31991B?

Its complement is #831B98; analogous partners are #6E981B and #1B9844. It also appears in 6+ palettes in our collection.

Can I use #31991B for text?

Black text on #31991B has a contrast ratio of 5.70:1 (passes WCAG AA); white text gives 3.68:1.