Nearest named color: Kelly Green
#5BB105
#5BB105
Nearest named
Kelly Green
Family
Green
Lightness
67.9%
Chroma
0.198
Hue angle
135.3°
Temperature
Neutral-leaning
Contrast on white
2.71:1 · Fail
Contrast on black
6.84:1 · AA
Web-safe
#669900
CSS oklch()
68% 0.20 135

#5BB105 is a mid-toned, temperate green. On the Color Lab it reads bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #5BB105

Not just a swatch — here's how #5BB105 works with other colors. Named schemes with #5BB105 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Kelly Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Kelly Green.

Japanese Sand Base · 5 colors

Kelly Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Botanical Studio Lead · 5 colors

Kelly Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Minimal Editorial Surface · 5 colors

Kelly Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Kelly Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Kelly Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

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Color Lab

How #5BB105 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 54/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 42/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 34/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 40/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 27/100
Low
A faint retro warmth without tipping into sepia.
Luxury 36/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 76/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 60/100
Moderate
Workable accent with care around contrast.
Surface fit 25/100
Low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 56/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #5BB105

For UI
For branding
For interior
For fashion
People also use #5BB105 with

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA
Body text Do not use for body copy on light surfaces. Avoid
Large display Only on dark surfaces. Avoid
Background Pair with #141310 text at 6.8:1. Use
Subtle surface Use #DEF5C8 for cards and hover fills. Tint 80
Avoid beside #22B305 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #5BB105 at work across the surfaces designers actually ship.

Website / UI
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #5BB105;
  --color-base-rgb: 91 177 5;
  --color-base-oklch: oklch(67.9% 0.198 135.3);
  --color-50: #F7FEF0;
  --color-100: #EBFDD8;
  --color-200: #D6FCB1;
  --color-300: #B8F57A;
  --color-400: #99E84A;
  --color-500: #7ACE27;
  --color-600: #619C26;
  --color-700: #476E21;
  --color-800: #30471A;
  --color-900: #1F2B12;
  --color-on-base: #141310;
}