colors
Back to gallery

Searing Castile

#eca137
Notes

Searing Castile (#ECA137) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (35°, 83%, 57%) places it in the highly saturated band at a mid 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#eca137
RGB
rgb(236, 161, 55)
HSL
hsl(35, 83%, 57%)
HWB
hwb(35 22% 7%)
OKLCH
oklch(76.5% 0.146 71.0)
P3
color(display-p3 0.8825 0.6441 0.3034)
HSV
hsv(35, 77%, 93%)
LAB
lab(71.96% 19.11 62.95)
LCH
lch(71.96% 65.79 73.12)
CMYK
cmyk(0%, 32%, 77%, 7%)

Etymology

Searing
adjective

Old English sēarian, to wither — present-participle of sear. As a color modifier, searing implies a saturated-and-burning-touch-hot quality, the bright color of cast-iron-griddle high-heat surface-emission. Sits at the bright-and-warm end of the grid, parallel to scorching and blazing in usage.

Castile
noun

The arid central plateau of Spain — and the warm tan of Castilian sandstone and the wheat fields of La Mancha. The color refers to a Castilian meseta in late summer: a soft, slightly muted warm tan-yellow with the matte finish of dry wheat-and-soil landscape. Drier than honey.

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.

#eca137
Original
#bba626
Protanopia
#ccb83a
Deuteranopia
#ff8e8c
Tritanopia
#a9a9a9
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
2.16:1
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
9.72:1

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
##ECA137
Display P3
Display P3
color(display-p3 0.8825 0.6441 0.3034)
P3 has subtle headroomOKLCH chroma 0.146

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.

Related Colors

Canvas