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Straightforward Deneb Moss

#045c4b
Notes

Straightforward Deneb Moss (#045C4B) is a deep teal with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (168°, 92%, 19%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#045c4b
RGB
rgb(4, 92, 75)
HSL
hsl(168, 92%, 19%)
HWB
hwb(168 2% 64%)
OKLCH
oklch(42.4% 0.079 174.2)
P3
color(display-p3 0.1517 0.3550 0.2971)
HSV
hsv(168, 96%, 36%)
LAB
lab(34.37% -27.95 3.20)
LCH
lch(34.37% 28.14 173.46)
CMYK
cmyk(96%, 0%, 18%, 64%)

Etymology

Straightforward
adjective

English compound straight + forward — sharing root with German geradeaus. As a color modifier, straightforward implies a clear-and-direct-and-unencumbered quality where the hue carries the visual register of clear-aim-and-uncomplicated character. Sits at the crisp-and-honest end of the grid, parallel to candid and direct in usage.

Deneb
modifier

Arabic dhanab-al-dajājah, tail-of-the-hen. As a color modifier, deneb implies a Cygnus-tail-and-summer-triangle quality, the visual register of Cygnus-Swan-and-Summer-Triangle-Deneb hand-Cygnus-tail-and-summer-triangle Cygnus-Swan-and-Summer-Triangle-and-Bortle-1-sky deneb-and-Cygnus-tail-and-summer-triangle surfaces under Cygnus-Swan-and-Summer-Triangle-and-Bortle-1-sky July-and-August-summer-vista white-supergiant-stellar-light. Sits at the modifier-and-cosmic end of the grid, parallel to vega and altair in usage.

Moss
noun

Bryophyta — the nonvascular plants that colonized land 470 million years ago, before vascular plants and far before flowers. The color refers to a thick mat of Hypnum or sphagnum on a temperate forest floor: a soft, slightly yellow-shifted green with the velvet texture of millimeter-scale leaves. Dustier than fern, deeper than lichen, with the slow patience of a plant that lives by absorbing rain through its surface.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#045c4b
Original
#58554a
Protanopia
#4e4e4c
Deuteranopia
#005d57
Tritanopia
#484848
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
7.96:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.64:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##045C4B
Display P3
Display P3
color(display-p3 0.1517 0.3550 0.2971)
Inside sRGBOKLCH chroma 0.079

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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