colors
Back to gallery

Frenetic Cadmium

#e36c51
Notes

Frenetic Cadmium (#E36C51) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (11°, 72%, 60%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#e36c51
RGB
rgb(227, 108, 81)
HSL
hsl(11, 72%, 60%)
HWB
hwb(11 32% 11%)
OKLCH
oklch(66.8% 0.154 34.1)
HSV
hsv(11, 64%, 89%)
LAB
lab(59.58% 44.29 36.90)
LCH
lch(59.58% 57.64 39.80)
CMYK
cmyk(0%, 52%, 64%, 11%)

Etymology

Frenetic
adjective

Greek phrenitikós, frenzied — adjectival suffix -ic, derived from phrēn (mind). As a color modifier, frenetic implies a saturated-and-frenzied-and-active quality, the bright color of Hyper-Color-and-Memphis-Group 1980s-design saturated-and-active visual-rhythm. Sits at the bright-and-active end of the grid, parallel to frantic and manic in usage.

Cadmium
noun

The metallic element Cd — and cadmium orange, the cadmium-sulfoselenide pigment introduced in the 1840s as a more lightfast alternative to chrome and lead pigments. The color refers to fresh cadmium-orange paint in oil: a saturated, slightly red orange with the matte finish of mineral pigment in linseed oil. Brighter than chrome.

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.

#e36c51
Original
#8b7f4e
Protanopia
#a8994e
Deuteranopia
#f85566
Tritanopia
#838383
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
3.22:1
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
6.53:1

Related Colors

Canvas