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Blazing Primrose

#b7c20d
Notes

Blazing Primrose (#B7C20D) is a true yellow with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (64°, 87%, 41%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b7c20d
RGB
rgb(183, 194, 13)
HSL
hsl(64, 87%, 41%)
HWB
hwb(64 5% 24%)
OKLCH
oklch(77.9% 0.173 113.8)
P3
color(display-p3 0.7256 0.7594 0.2498)
HSV
hsv(64, 93%, 76%)
LAB
lab(75.25% -22.12 74.52)
LCH
lch(75.25% 77.74 106.53)
CMYK
cmyk(6%, 0%, 93%, 24%)

Etymology

Blazing
adjective

Old English blǣse, flame — present-participle of blaze. As a color modifier, blazing implies a saturated-and-bright-flaming quality, the bright color of Yule-log and Bonfire-Night large-flame fire-emission. Sits at the bright-and-warm end of the grid, parallel to flaming and scorching in usage.

Primrose
noun

Primula vulgaris, the European primrose whose pale yellow flowers appear in early spring — prima rosa (first rose) for its early bloom. The color refers to a fresh primrose in March: a soft, slightly cool pale yellow with the satin finish of five-petaled flower with darker yellow center. Cooler than cowslip.

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.

#b7c20d
Original
#d1b800
Protanopia
#d1bb28
Deuteranopia
#c4b6a5
Tritanopia
#b3b3b3
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
1.96:1
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
10.74:1

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
##B7C20D
Display P3
Display P3
color(display-p3 0.7256 0.7594 0.2498)
P3 has subtle headroomOKLCH chroma 0.173

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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