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Calm Haldi

#644c04
Notes

Calm Haldi (#644C04) is a deep amber 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 (45°, 92%, 20%) places it in the highly saturated band at a dark 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#644c04
RGB
rgb(100, 76, 4)
HSL
hsl(45, 92%, 20%)
HWB
hwb(45 2% 61%)
OKLCH
oklch(43.0% 0.086 87.2)
P3
color(display-p3 0.3775 0.3017 0.0898)
HSV
hsv(45, 96%, 39%)
LAB
lab(33.75% 3.43 40.98)
LCH
lch(33.75% 41.12 85.22)
CMYK
cmyk(0%, 24%, 96%, 61%)

Etymology

Calm
adjective

Latin calma, heat of the day — paradoxically drifted in Italian to mean stillness. Used as a color modifier since the seventeenth century for hues that read as untroubled. Calm blue, calm gray: moderate saturation combined with optical quiet. Sits at the crisp-bucket near quiet and steady.

Haldi
noun

The Hindi word for turmeric — the South Asian spice and ceremonial pigment used in Hindu haldi pre-wedding rituals and in gor-haldi (turmeric milk). The color refers to fresh haldi paste applied to skin in a wedding ritual: a saturated, slightly red-shifted yellow with the dusty finish of fresh-ground rhizome. Warmer than turmeric.

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.

#644c04
Original
#574c00
Protanopia
#5d5209
Deuteranopia
#6d4440
Tritanopia
#4c4c4c
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
8.15:1
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
2.58:1

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
##644C04
Display P3
Display P3
color(display-p3 0.3775 0.3017 0.0898)
P3 has subtle headroomOKLCH chroma 0.086

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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