Fern Green #009B54

Fern Green (#009B54) is a mid-tone, saturated green with an OKLCH hue of 154°, lightness 0.6 and chroma 0.154. It sits on the cool side of the color wheel. In practice it behaves as an accent color: strong in focal moments, dominant over large fields.

Color values

HEX#009B54
RGBrgb(0, 155, 84)
HSLhsl(153, 100%, 30%)
HSVhsv(153, 100%, 61%)
CMYKcmyk(100%, 0%, 46%, 39%)
CIE Lablab(56.2 -51.4 27.7)
OKLCHoklch(0.605 0.154 154)

How Fern Green behaves under real light

Under warm 2700K interior light Fern Green shifts subtly: leans toward yellow-green; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.5), so it is a lighting-stable choice.

Contrast & accessibility

Against white it measures 3.61:1 and against black 5.82:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text.

Palettes built from Fern Green

Tonal

One color explored: close hues with real lightness and chroma structure, so the palette is the anchor through value rather than a set of colors.

#9bf0b6 · #66ca8a · #009b54 · #007c42 · #00532a · #002e14

Analogous

The anchor's neighbours on the wheel — everything shares an undertone, so the chord carries color without anything having to be muted to get along.

#28beb1 · #00ad87 · #009b54 · #428225 · #556800 · #565100

Shifted

The mid-gap pairing — sage and mustard, terracotta and olive. A foil rotated 40–65° toward warm or cool: too far to be kin, too near to argue, carried by temperature and a deliberate value offset.

#00d8ea · #62aeb7 · #009b54 · #007940 · #00582d · #00363c

Contrast

One deliberately opposed voice — a single restrained counterpoint across the wheel, or temperature against temperature where the anchor is too muted to carry a loud opposite.

#cff5d9 · #9bd6ad · #8eac96 · #009b54 · #923885 · #1c4f30

Quiet Support

The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.

#fbedf8 · #8fa394 · #009b54 · #6e646c · #1c3022 · #020002

Bright Accent

This color as a ground rather than a subject — its own restraint held across a narrow value band, carrying one saturated voice from the opposite temperature.

#f9eef6 · #d1c4ce · #a597a2 · #2c1c29 · #090107 · #009b54

Complementary

The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.

#d8d9b4 · #7da370 · #009b54 · #8d1977 · #3d375e · #130624

Split-complementary

The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.

#eac5db · #d66f8e · #009b54 · #5b4b6b · #2d3c5c · #051311

Triadic

Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.

#edf1ff · #8596e9 · #009b54 · #ae3c24 · #540a00 · #010011

Tetradic

Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.

#e7f4ff · #51a4e3 · #009b54 · #993e8c · #412200 · #060005

Tints, shades & muted variants

Tints

#43AC6C · #67BC84 · #87CD9D · #A5DDB5 · #C3EECE

Shades

#008044 · #006635 · #004D26 · #003518 · #001F0B

Muted

#3C965F · #559169 · #688C72

Using Fern Green

Its chroma is high enough to carry accents, calls to action, and focal moments; large fields of it will dominate a composition. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.

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