Palettes / Colors / #91C01B

#91C01B — Green

#91C01B is a green color we call Green, closest to the named color YellowGreen (#9ACD32). It belongs to the green family.

Color name

Closest CSS keyword: yellowgreen (#9ACD32) — not an exact match. CSS yellowgreen gives you #9ACD32, a different color; use #91C01B 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.

#91C01B 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 #4A1BC0; it also sits naturally between #C09C1B and #3FC01B. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 57% · Green 75% · Blue 11%

Cyan 24% · Magenta 0% · Yellow 86% · Key 25%

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

Previews

CSS code for #91C01B

.text { color: #91C01B; }
.background { background-color: #91C01B; }
.border { border: 3px solid #91C01B; }
.text-rgb { color: rgb(145, 192, 27); }
.text-hsl { color: hsl(77, 75%, 43%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #91C01B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(145, 192, 27, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #91C01B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(145, 192, 27, 0.8); }

HTML: <p style="color:#91C01B">Text here</p> · <div style="background-color:#91C01B">Div content here</div>

Shades of #91C01B

Tints of #91C01B

Tones of #91C01B

Color harmonies

Complementary — #4A1BC0:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #91C01B: #000000.

Semi-transparent (opacity) text on #91C01B

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 #91C01B 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 #91C01B 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

← #91C01A  ·  #91C01C →

Frequently asked questions

What color is #91C01B?

#91C01B is Green, a green color (RGB 145, 192, 27). Its closest standard named color is YellowGreen.

What is the RGB and HSL of #91C01B?

#91C01B is RGB 145, 192, 27 — HSL 77°, 75%, 43% — CMYK 24%, 0%, 86%, 25%.

What colors go with #91C01B?

Its complement is #4A1BC0; analogous partners are #C09C1B and #3FC01B. It also appears in 6+ palettes in our collection.

Can I use #91C01B for text?

Black text on #91C01B has a contrast ratio of 9.76:1 (passes WCAG AA); white text gives 2.15:1.