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Poised Sphalerite

#838f18
Notes

Poised Sphalerite (#838F18) is a deep yellow 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 (66°, 71%, 33%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#838f18
RGB
rgb(131, 143, 24)
HSL
hsl(66, 71%, 33%)
HWB
hwb(66 9% 44%)
OKLCH
oklch(62.0% 0.134 115.7)
P3
color(display-p3 0.5225 0.5593 0.1967)
HSV
hsv(66, 83%, 56%)
LAB
lab(56.62% -18.89 55.65)
LCH
lch(56.62% 58.77 108.75)
CMYK
cmyk(8%, 0%, 83%, 44%)

Etymology

Poised
adjective

Old French peser, to weigh — past-participle of poise. As a color modifier, poised implies a saturated-and-balanced-and-confident quality where the hue holds its position with elegant equilibrium. Sits at the bold-and-confident end of the grid, parallel to centered and composed.

Sphalerite
noun

A zinc sulfide mineral — both an important zinc ore and a high-dispersion gem with adamantine luster. The yellow variety is mined principally in Spain and Mexico. The color refers to a faceted yellow Spanish sphalerite: a saturated, slightly cool yellow-orange with the gem's signature internal fire (higher dispersion than diamond).

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.

#838f18
Original
#9a8700
Protanopia
#998924
Deuteranopia
#8c867a
Tritanopia
#848484
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).
AA Largeon White
3.55:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.91:1

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
##838F18
Display P3
Display P3
color(display-p3 0.5225 0.5593 0.1967)
P3 has subtle headroomOKLCH chroma 0.134

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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