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Tough Rapeseed

#7b8d1e
Notes

Tough Rapeseed (#7B8D1E) is a deep yellow with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (70°, 65%, 34%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#7b8d1e
RGB
rgb(123, 141, 30)
HSL
hsl(70, 65%, 34%)
HWB
hwb(70 12% 45%)
OKLCH
oklch(60.9% 0.132 118.8)
HSV
hsv(70, 79%, 55%)
LAB
lab(55.44% -21.16 52.55)
LCH
lch(55.44% 56.66 111.93)
CMYK
cmyk(13%, 0%, 79%, 45%)

Etymology

Tough
adjective

Old English tōh, firm / tenacious — sharing root with German zäh. As a color modifier, tough implies a saturated-and-resilient quality where the hue resists fading-and-modulation through its strong pigmentation. Sits at the bold-and-resilient end of the grid, parallel to rugged and hardy in usage.

Rapeseed
noun

Brassica napus, the oilseed crop grown across Europe whose mass plantings cover landscapes in saturated yellow during May bloom. The color refers to a UK rapeseed field in May: a saturated, slightly cool deep yellow with the matte finish of densely packed cruciferous flowers covering the entire horizon.

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.

#7b8d1e
Original
#978500
Protanopia
#958528
Deuteranopia
#838578
Tritanopia
#818181
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).
AA Largeon White
3.70:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.67:1

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