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Forthright Chervil Crimson

#a91e18
Notes

Forthright Chervil Crimson (#A91E18) is a true red 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 (2°, 75%, 38%) 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
#a91e18
RGB
rgb(169, 30, 24)
HSL
hsl(2, 75%, 38%)
HWB
hwb(2 9% 34%)
OKLCH
oklch(47.6% 0.175 28.6)
HSV
hsv(2, 86%, 66%)
LAB
lab(36.80% 54.07 40.19)
LCH
lch(36.80% 67.37 36.62)
CMYK
cmyk(0%, 82%, 86%, 34%)

Etymology

Forthright
adjective

Old English forð-riht, straight ahead, direct. Used as a color modifier in Anglo-Saxon-revival contexts for hues that read as honest and unguarded. Forthright red, forthright blue: the saturation is full, the hue is presented without ornamentation or qualification. Sits in the bold-bucket center alongside frank and direct.

Chervil
modifier

Latin chaerephylla, delicate-French-fines-herbes. As a color modifier, chervil implies a delicate-French-fines-herbes-and-anise-leaf quality, the visual register of French-fines-herbes-and-Lyon-bistro-chervil hand-delicate-French-fines-herbes-and-anise-leaf French-fines-herbes-and-Lyon-bistro-chervil-and-spring-vinaigrette chervil-and-delicate-French-fines-herbes surfaces under French-fines-herbes-and-Lyon-bistro-chervil-and-spring-vinaigrette Lyon-bouchon-and-Loire-Valley-spring spring-bistro-light. Sits at the modifier-and-flavor end of the grid, parallel to chive and dill in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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

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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.

#a91e18
Original
#4c4315
Protanopia
#6e610f
Deuteranopia
#bb001f
Tritanopia
#3b3b3b
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
7.28:1
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
2.89:1

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