colors
Back to gallery

Utilitarian Estuary

#cdf7d4
Notes

Utilitarian Estuary (#CDF7D4) is a soft green with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (130°, 72%, 89%) places it in the balanced band at a light lightness. It works as a background wash, large-area fill, or soft illustration tone. Add a darker ink of the same hue when you need type over it. For a confident two-color system, pair it with its complementary magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#cdf7d4
RGB
rgb(205, 247, 212)
HSL
hsl(130, 72%, 89%)
HWB
hwb(130 80% 3%)
OKLCH
oklch(93.7% 0.064 149.8)
P3
color(display-p3 0.8363 0.9637 0.8419)
HSV
hsv(130, 17%, 97%)
LAB
lab(93.56% -20.02 12.40)
LCH
lch(93.56% 23.55 148.24)
CMYK
cmyk(17%, 0%, 14%, 3%)

Etymology

Utilitarian
adjective

Latin ūtilitās, usefulness — adjectival suffix -ian. As a color modifier, utilitarian implies a clear-and-purpose-fit-and-stripped-down quality, the crisp color of Shaker-and-Quaker anti-ornamental functional-and-no-frills craft tradition. Sits at the crisp-and-functional end of the grid, parallel to functional and workmanlike in usage.

Estuary
noun

The mixing zone where freshwater rivers meet saltwater seas — the Chesapeake, the Thames, the Hudson — environments of unique salinity and biodiversity. Estuary color refers to mid-depth estuary water at high tide: a soft, slightly cool deep blue-green with the optical complexity of brackish water.

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.

#cdf7d4
Original
#f8efd2
Protanopia
#f0ebd6
Deuteranopia
#c8f5ed
Tritanopia
#ececec
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).
Failon White
1.18:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
17.85:1

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
##CDF7D4
Display P3
Display P3
color(display-p3 0.8363 0.9637 0.8419)
Inside sRGBOKLCH chroma 0.064

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.

Related Colors

Canvas