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Tracer Wakaba

#9bbc2b
Notes

Tracer Wakaba (#9BBC2B) is a true yellow with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (74°, 63%, 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#9bbc2b
RGB
rgb(155, 188, 43)
HSL
hsl(74, 63%, 45%)
HWB
hwb(74 17% 26%)
OKLCH
oklch(74.5% 0.167 122.1)
HSV
hsv(74, 77%, 74%)
LAB
lab(71.63% -30.10 64.21)
LCH
lch(71.63% 70.92 115.12)
CMYK
cmyk(18%, 0%, 77%, 26%)

Etymology

Tracer
adjective

Old French tracier, to trace — sharing root with English trace and track. As a color modifier, tracer implies a saturated-and-streak-of-light quality, the bright color of military-tracer-round and long-exposure-photography light-trail visual streak. Sits at the bright-and-active end of the grid, parallel to flashing and streaking in usage.

Wakaba
noun

The Japanese word for young leaves — and the saturated yellow-green of new spring foliage. Wakaba-iro refers specifically to the color of fresh leaves before they harden into their summer shade, used in Heian-period waka poetry as a season-marker. The color refers to wakaba on a Japanese maple in May: a saturated, slightly yellow-shifted green with the optical brightness of new chlorophyll.

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.

#9bbc2b
Original
#c7b000
Protanopia
#c3af39
Deuteranopia
#a3b2a1
Tritanopia
#ababab
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
2.18:1
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
9.62:1

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