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Flaming Uaine

#40ba41
Notes

Flaming Uaine (#40BA41) is a true green 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 (120°, 49%, 49%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#40ba41
RGB
rgb(64, 186, 65)
HSL
hsl(120, 49%, 49%)
HWB
hwb(120 25% 27%)
OKLCH
oklch(69.6% 0.194 143.3)
P3
color(display-p3 0.3949 0.7196 0.3219)
HSV
hsv(120, 66%, 73%)
LAB
lab(66.97% -57.15 49.97)
LCH
lch(66.97% 75.91 138.83)
CMYK
cmyk(66%, 0%, 65%, 27%)

Etymology

Flaming
adjective

Old French flamme, flame — present-participle of flame. As a color modifier, flaming implies a saturated-and-fire-and-bright-color quality, the bright color of autumn-Maple-and-Oak deciduous-foliage fall-color and Yule-log fire emission. Sits at the bright-and-warm end of the grid, parallel to fiery and blazing in usage.

Uaine
noun

The Irish word for green — used in Éire uaine (green Ireland) and the Connacht uaine of Connaught county banners. Uaine names the saturated grass-green of Atlantic-coast Irish hillsides. The color refers to an Irish hillside in May: a saturated, slightly cool yellow-green with the matte finish of well-watered Atlantic pasture.

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.

#40ba41
Original
#bea932
Protanopia
#af9f4c
Deuteranopia
#24b5a1
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
2.52:1
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
8.32:1

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
##40BA41
Display P3
Display P3
color(display-p3 0.3949 0.7196 0.3219)
P3 has visible headroomOKLCH chroma 0.194

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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