Nearest named color: Medium Spring Green
#42E49E
#42E49E
Nearest named
Medium Spring Green
Family
Green
Lightness
81.9%
Chroma
0.166
Hue angle
160.0°
Temperature
Cool
Contrast on white
1.64:1 · Fail
Contrast on black
11.34:1 · AAA
Web-safe
#33CC99
CSS oklch()
82% 0.17 160

#42E49E is a mid-toned, cool teal-green. On the Color Lab it reads bold and ownable. It is too pale to lead as a primary accent and sits well as a supporting tone.

Palettes built on #42E49E

Not just a swatch — here's how #42E49E works with other colors. Named schemes with #42E49E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

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

Coastal Morning Lead · 5 colors

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

Nordic Calm Accent · 5 colors

Medium Spring Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Warm Autumn Interior Dominant · 5 colors

This palette keeps Medium Spring Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Medium Spring 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 Medium Spring Green carrying the quiet middle.

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Color Lab

How #42E49E 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 33/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 55/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 19/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 54/100
Moderate
Loosely natural — an earthy edge without being rustic.
Vintage feel 25/100
Low
A faint retro warmth without tipping into sepia.
Luxury 24/100
Low
Playful and accessible rather than exclusive.
Brand distinctiveness 64/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 23/100
Low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 38/100
Low
Usable as a tinted surface in measured doses.
Print safety 66/100
High
Prints close, with a slight loss of vibrancy.

Pairs with #42E49E

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA
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 11.3:1. Use
Subtle surface Use #DEF5EB for cards and hover fills. Tint 80
Avoid beside #44E4D4 — 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 #42E49E 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: #42E49E;
  --color-base-rgb: 66 228 158;
  --color-base-oklch: oklch(81.9% 0.166 160.0);
  --color-50: #F1FEF8;
  --color-100: #DAFBED;
  --color-200: #B8F5DA;
  --color-300: #87E8BE;
  --color-400: #5BD7A1;
  --color-500: #38BC83;
  --color-600: #329067;
  --color-700: #29664B;
  --color-800: #1E4233;
  --color-900: #142920;
  --color-on-base: #141310;
}