#40BB3B

Accessibility

AAA

8.39:1

Vs white / black

2.5:1 · 8.39:1

Sources

Library color

Codes

Formats

HEX

#40bb3b

RGB

rgb(64, 187, 59)

RGBA

rgba(64, 187, 59, 1)

HSL

hsl(118, 52%, 48%)

HSLA

hsla(118, 52%, 48%, 1)

HSV

hsv(118, 68%, 73%)

LAB

lab(67.24% -58.08 52.74)

LCH

lch(67.24% 78.45 137.76)

OKLAB

oklab(0.6983 -0.158 0.121)

OKLCH

oklch(0.6983 0.199 142.55)

XYZ

xyz(20.67, 36.94, 10.18)

CMYK

cmyk(66%, 0%, 68%, 27%)

CSS

color: #40bb3b;

CSS variable

--color-40bb3b: #40bb3b;

SCSS

$color-40bb3b: #40bb3b;

JavaScript

const color = "#40bb3b";

TypeScript

const color: string = "#40bb3b";

React

style={{ backgroundColor: "#40bb3b" }}

JSON

{ "hex": "#40bb3b", "rgb": { "r": 64, "g": 187, "b": 59 }, "oklch": "oklch(0.6983 0.199 142.55)" }

Export

Developer code

css

:root {
  --#40bb3b-1: #40bb3b;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

green-500

Very different · ΔE 5.34 · #22C55E

Nearest CSS named color

LimeGreen

Noticeably different · ΔE 4.91 · #32CD32

Nearest Material color

green-500

Noticeably different · ΔE 4.84 · #4CAF50

Nearest Bootstrap color

success

Very different · ΔE 19.62 · #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.

50c5ffbf 100b3ffad 20095ee8e 30073da6c 40044bf3f 5001da21a 600138811 700066d06 800005400 900003c00 950002400

Palette

Tints & shades

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

eff9ef dff4de cfeece bfe8be afe3ad a0dd9d 90d78d 80d27c 70cc6c 60c65c 50c14b 40bb3b 3bab36 359c31 308c2c 2b7d27 256d22 205e1e 1b4e19 153e14 102f0f 0b1f0a 051005

Palette

Tints

Mixed toward white — soft backgrounds and highlights

eff9ef dff4de cfeece bfe8be afe3ad a0dd9d 90d78d 80d27c 70cc6c 60c65c 50c14b

Palette

Shades

Mixed toward black — depth, text, and emphasis

3bab36 359c31 308c2c 2b7d27 256d22 205e1e 1b4e19 153e14 102f0f 0b1f0a 051005

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

45b641 4bb147 50ac4c 55a752 5ba258 609e5e 659963 6b9469 708f6f 758a75 7b857a

Harmony

Complementary

Opposite on the color wheel for contrast

#40BB3BStop 1 #B63BBAStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#7FBA3BStop 1 #40BB3BStop 2 #3BBA76Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#40BB3BStop 1 #3B3FBAStop 2 #BA3B3FStop 3

Harmony

Split complementary

Base plus two accents beside the complement

#40BB3BStop 1 #763BBAStop 2 #BA3B7FStop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#1A4E18Stop 1 #2E882BStop 2 #42C23DStop 3 #7AD477Stop 4 #B3E7B1Stop 5

Using this color

Where #40bb3b works

#40BB3B (#40bb3b) sits in the light green family at about 118° hue, 52% saturation, and 48% lightness. Contrast is 2.5:1 on white and 8.39:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: green-500 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on charcoal / dark mode

Do not use #40bb3b as small body text on white — 2.5:1 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: Vitality, optimism, and renewal. Friendly for outdoor and lifestyle brands. Common uses still include buttons, charts, and accents in the Light Green range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Spectrum #4EBA36#4EBA36 Spectrum #48B43C#48B43C Spectrum #24B73D#24B73D Spectrum #1FC130#1FC130 Spectrum #36C442#36C442 Spectrum #39B620#39B620 Spectrum #43BB1B#43BB1B Spectrum #53C153#53C153 Spectrum #0DB520#0DB520 Spectrum #3CB951#3CB951 Spectrum #31B125#31B125 Spectrum #56C431#56C431