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Warm Akhdar

#40b286
Notes

Warm Akhdar (#40B286) is a true teal with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (157°, 47%, 47%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#40b286
RGB
rgb(64, 178, 134)
HSL
hsl(157, 47%, 47%)
HWB
hwb(157 25% 30%)
OKLCH
oklch(68.7% 0.122 164.0)
P3
color(display-p3 0.3829 0.6887 0.5373)
HSV
hsv(157, 64%, 70%)
LAB
lab(65.47% -42.64 13.20)
LCH
lch(65.47% 44.63 162.80)
CMYK
cmyk(64%, 0%, 25%, 30%)

Etymology

Warm
adjective

Old English wearm, of moderate heat — used as a color modifier since the medieval period for hues that read as containing red, orange, or yellow undertones. Warm gray, warm white: not necessarily a temperature, but the optical impression of a slight red-orange shift. Sits across the crisp and neutral buckets.

Akhdar
noun

The Arabic word for green — used for the deep green of the Khidr (the Green One) in Islamic mysticism, the green domes of mosques, and the Jabal al-Akhdar (Green Mountain) of Oman. The color refers to a Saudi mosque-dome glaze: a saturated, slightly cool deep green with the high gloss of fired ceramic glaze.

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.

#40b286
Original
#afa684
Protanopia
#9f9a89
Deuteranopia
#00b2a6
Tritanopia
#979797
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
2.65:1
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
7.93:1

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
##40B286
Display P3
Display P3
color(display-p3 0.3829 0.6887 0.5373)
P3 has subtle headroomOKLCH chroma 0.122

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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