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Lambent Tirkizhna

#42cd84
Notes

Lambent Tirkizhna (#42CD84) is a true teal 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 (148°, 58%, 53%) 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
#42cd84
RGB
rgb(66, 205, 132)
HSL
hsl(148, 58%, 53%)
HWB
hwb(148 26% 20%)
OKLCH
oklch(75.6% 0.159 156.0)
HSV
hsv(148, 68%, 80%)
LAB
lab(73.86% -53.68 25.79)
LCH
lch(73.86% 59.55 154.34)
CMYK
cmyk(68%, 0%, 36%, 20%)

Etymology

Lambent
adjective

Latin lambēns, licking-lightly — present-participle of lambere (to lick). As a color modifier, lambent implies a saturated-and-soft-flickering quality, the bright color of candle-flame-and-firefly gentle-flickering light-emission against the surrounding darkness. Sits at the bright-and-soft end of the grid, parallel to glimmering and flickering in usage.

Tirkizhna
noun

The Slavic word for turquoise-colored — used across Russian, Ukrainian, and Polish color vocabulary for the saturated blue-green of Iranian and Central Asian turquoise. The color refers to a tirkizhna-glazed samovar: a saturated, slightly cool deep blue-green with the high gloss of fired ceramic.

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

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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.

#42cd84
Original
#ccbd7f
Protanopia
#bab089
Deuteranopia
#00cbba
Tritanopia
#aaaaaa
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
2.04:1
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
10.30:1

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