Is Shamrock an official BrickColor?

BrickColor ID 310 uses RGB 91, 154, 76 from the public BrickColor table. HEX #5B9A4C is a calculated sRGB encoding of that RGB.

BrickColor 310

Shamrock

Official RGB 91, 154, 76. HEX, HSL, and OKLCH below are calculated conversions.

Open color page

Shamrock (BrickColor 310)

#5B9A4C

Accessibility

6.17:1

Vs white / black

3.4:1 · 6.17:1

Sources

Library color

Codes

Formats

HEX

#5b9a4c

RGB

rgb(91, 154, 76)

RGBA

rgba(91, 154, 76, 1)

HSL

hsl(108, 34%, 45%)

HSLA

hsla(108, 34%, 45%, 1)

HSV

hsv(108, 51%, 60%)

LAB

lab(57.9% -35.87 34.49)

LCH

lch(57.9% 49.76 136.12)

OKLAB

oklab(0.6248 -0.0982 0.0831)

OKLCH

oklch(0.6248 0.1286 139.76)

XYZ

xyz(17.17, 25.86, 10.92)

CMYK

cmyk(41%, 0%, 51%, 40%)

CSS

color: #5b9a4c;

CSS variable

--color-5b9a4c: #5b9a4c;

SCSS

$color-5b9a4c: #5b9a4c;

JavaScript

const color = "#5b9a4c";

TypeScript

const color: string = "#5b9a4c";

React

style={{ backgroundColor: "#5b9a4c" }}

JSON

{ "hex": "#5b9a4c", "rgb": { "r": 91, "g": 154, "b": 76 }, "oklch": "oklch(0.6248 0.1286 139.76)" }

Export

Developer code

css

:root {
  --shamrock-(brickcolor-310)-1: #5b9a4c;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

green-600

Very different · ΔE 6.42 · #16A34A

Nearest CSS named color

ForestGreen

Very different · ΔE 8.49 · #228B22

Nearest Material color

green-600

Noticeably different · ΔE 3.59 · #43A047

Nearest Bootstrap color

success

Very different · ΔE 11.34 · #198754

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50daffd1 100cbf7c0 200b2e5a6 30096d089 40075b566 5005a994b 6004a803d 70039672e 800294e20 9001a3712 950072102

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f1f7f0 e4eee1 d6e6d2 c8ddc3 bbd5b4 adcda6 9fc497 92bc88 84b379 76ab6a 69a25b 5b9a4c 538d46 4c803f 447439 3d6733 355a2c 2e4d26 264020 1e3319 172713 0f1a0d 080d06

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f1f7f0 e4eee1 d6e6d2 c8ddc3 bbd5b4 adcda6 9fc497 92bc88 84b379 76ab6a 69a25b

Palette

Shades

Mixed toward black — depth, text, and emphasis

538d46 4c803f 447439 3d6733 355a2c 2e4d26 264020 1e3319 172713 0f1a0d 080d06

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

5e9850 619655 649459 67915d 6a8f62 6e8d66 718b6a 74896f 778773 7a8477 7d827c

Harmony

Complementary

Opposite on the color wheel for contrast

#5B9A4CStop 1 #8A4C9AStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#829A4CStop 1 #5B9A4CStop 2 #4C9A63Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#5B9A4CStop 1 #4C5B9AStop 2 #9A4C5BStop 3

Harmony

Split complementary

Base plus two accents beside the complement

#5B9A4CStop 1 #634C9AStop 2 #9A4C82Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#294422Stop 1 #47783BStop 2 #65AB54Stop 3 #94C487Stop 4 #C2DDBBStop 5

Using this color

Where #5b9a4c works

Shamrock (BrickColor 310) (#5b9a4c) sits in the blue family at about 108° hue, 34% saturation, and 45% lightness. Contrast is 3.4:1 on white and 6.17:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: green-600 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
large titles on light backgrounds (WCAG AA Large)
text or icons on charcoal / dark mode

Do not use #5b9a4c as small body text on white — 3.4:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Family context: Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare. Common uses still include buttons, charts, and accents in the Blue range — always verify the pair for this exact hex in the contrast checker.

Where #5b9a4c works

Sensible jobs for this swatch

supporting UI accents

large titles on light backgrounds (WCAG AA Large)

text or icons on charcoal / dark mode

Do not use #5b9a4c as small body text on white — 3.4:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.