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Flaming Creek

#27b251
Notes

Flaming Creek (#27B251) is a true green with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (138°, 64%, 43%) 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
#27b251
RGB
rgb(39, 178, 81)
HSL
hsl(138, 64%, 43%)
HWB
hwb(138 15% 30%)
OKLCH
oklch(67.1% 0.179 148.3)
P3
color(display-p3 0.3419 0.6880 0.3616)
HSV
hsv(138, 78%, 70%)
LAB
lab(64.05% -56.64 39.12)
LCH
lch(64.05% 68.84 145.37)
CMYK
cmyk(78%, 0%, 54%, 30%)

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.

Creek
noun

A small flowing waterway — slightly larger than a brook in American usage, slightly smaller in British. Creek color refers to a typical American Appalachian creek in summer: a soft, slightly cool deep blue-green with the optical clarity of slow-flowing forest stream.

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.

#27b251
Original
#b4a248
Protanopia
#a49758
Deuteranopia
#00ae9c
Tritanopia
#8d8d8d
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
2.77:1
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
7.57:1

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
##27B251
Display P3
Display P3
color(display-p3 0.3419 0.6880 0.3616)
P3 has subtle headroomOKLCH chroma 0.179

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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