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Combustive Connacht

#38b039
Notes

Combustive Connacht (#38B039) 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 (121°, 52%, 45%) 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
#38b039
RGB
rgb(56, 176, 57)
HSL
hsl(121, 52%, 45%)
HWB
hwb(121 22% 31%)
OKLCH
oklch(66.7% 0.190 143.2)
P3
color(display-p3 0.3649 0.6807 0.2920)
HSV
hsv(121, 68%, 69%)
LAB
lab(63.50% -56.09 49.49)
LCH
lch(63.50% 74.80 138.57)
CMYK
cmyk(68%, 0%, 68%, 31%)

Etymology

Combustive
adjective

Latin combūstus, burnt — adjectival suffix -ive, derived from com-burere (to burn-up). As a color modifier, combustive implies a saturated-and-burning-active quality, the bright color of blast-furnace-and-foundry combustion-chamber emission. Sits at the bright-and-warm end of the grid, parallel to fiery and blazing in usage.

Connacht
noun

The western Irish province — and the saturated deep green of Connacht hillsides, the Tuath Dé Connacht mythological homeland, and the green-and-white provincial banner. Connacht refers to a County Galway hillside in May: a saturated, slightly cool deep green with the matte finish of Atlantic-coast 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.

#38b039
Original
#b4a029
Protanopia
#a69644
Deuteranopia
#18ab98
Tritanopia
#8e8e8e
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
2.82:1
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
7.44:1

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
##38B039
Display P3
Display P3
color(display-p3 0.3649 0.6807 0.2920)
P3 has visible headroomOKLCH chroma 0.190

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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