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Holographic Groen

#99ce66
Notes

Holographic Groen (#99CE66) is a true lime 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 (91°, 51%, 60%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#99ce66
RGB
rgb(153, 206, 102)
HSL
hsl(91, 51%, 60%)
HWB
hwb(91 40% 19%)
OKLCH
oklch(79.2% 0.146 131.3)
HSV
hsv(91, 50%, 81%)
LAB
lab(77.20% -34.68 45.88)
LCH
lch(77.20% 57.52 127.08)
CMYK
cmyk(26%, 0%, 50%, 19%)

Etymology

Holographic
adjective

Greek hólos (whole) and graphé (writing) — adjectival suffix -ic. As a color modifier, holographic implies a saturated-and-multi-angle-shifting quality, the bright color of holographic-credit-card and trading-card dichroic-film 3D-image-reflection. Sits at the bright-and-shifting end of the grid, parallel to iridescent and prismatic in usage.

Groen
noun

The Dutch word for green — used for the Hollands Groen of Delft Blue's complementary glaze and the green polders of Dutch reclaimed-land farmland. The color refers to a Delft-pottery green underglaze: a saturated, slightly cool green with the matte finish of fired tin-glaze. The Dutch cousin of green.

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.

#99ce66
Original
#d6c15d
Protanopia
#cebd6d
Deuteranopia
#9bc7b6
Tritanopia
#bbbbbb
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
1.85:1
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
11.37:1

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