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Bold Flame

#f25000
Notes

Bold Flame (#F25000) is a true orange with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (20°, 100%, 47%) 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
#f25000
RGB
rgb(242, 80, 0)
HSL
hsl(20, 100%, 47%)
HWB
hwb(20 0% 5%)
OKLCH
oklch(64.9% 0.209 38.7)
HSV
hsv(20, 100%, 95%)
LAB
lab(56.70% 59.72 67.23)
LCH
lch(56.70% 89.92 48.38)
CMYK
cmyk(0%, 67%, 100%, 5%)

Etymology

Bold
adjective

Old English beald, brave, courageous — a quality word that crossed over to color in the late seventeenth century. Bold describes a color that asserts itself: high saturation combined with mid lightness, where the hue presents itself without compromise. Sits at the center of the bold-bucket grid, near strong and rich. Closer to a presence word than a pigment word.

Flame
noun

The luminous combustion zone of a fire — the visible portion of incandescent gas, where temperature determines color. The orange of a wood flame sits around 1,100°C; hotter and it shifts to yellow, hotter still to white. The color is a saturated, slightly red orange with the suggestion of internal motion. Hotter than ember, brighter than rust, alive in a way pigment never quite captures.

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.

#f25000
Original
#817100
Protanopia
#a99500
Deuteranopia
#ff1045
Tritanopia
#6d6d6d
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
5.92:1

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