#E9D666
Closest named color: Light Mustard (#F7D560). oklch(87% 0.134 99.8), rgb(233, 214, 102).
Aa
Black text reads best on this color (14.27:1).
About this color
#E9D666 is a light, moderately saturated yellow. In OKLCH its lightness is 87%, its chroma 0.134 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Light Mustard (#F7D560), ΔE 0.020 away. Black text reads best on it, at 14.27:1.
| Hue family | Yellows |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Light Mustard (#F7D560) |
| Black text | 14.27:1 |
| White text | 1.47:1 |
Values
| HEX | #E9D666 |
| RGB | rgb(233, 214, 102) |
| HSL | hsl(51, 75%, 66%) |
| OKLCH | oklch(87% 0.134 99.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #E9D666 | 1.47:1 | Fails | Lc -25.2 | Dividers and decoration only |
| Black text on #E9D666 | 14.27:1 | AAA | Lc 81.5 | Fine for body text |
| #E9D666 text on white | 1.47:1 | Fails | Lc 22.2 | Dividers and decoration only |
| #E9D666 text on black | 14.27:1 | AAA | Lc -81.1 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F9F6E5
oklch(97.1% 0.023 98.6)
-
Step 100
100
#F1EBC6
oklch(93.5% 0.049 99.7)
-
Step 200
200 (this color)
#E9D666
oklch(87% 0.134 99.8)
-
Step 300
300
#DBC100
oklch(80.8% 0.168 99.5)
-
Step 400
400
#B7A100
oklch(70.7% 0.147 99.5)
-
Step 500
500
#9D8A00
oklch(63.1% 0.131 99.5)
-
Step 600
600
#847400
oklch(55.7% 0.116 99.7)
-
Step 700
700
#6F6100
oklch(49.1% 0.102 99.4)
-
Step 800
800
#5B4F00
oklch(42.7% 0.088 99.2)
-
Step 900
900
#4C4200
oklch(37.8% 0.078 99.5)
-
Step 950
950
#2D2700
oklch(27.1% 0.056 100.5)
#E9D666 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #E8D15B | 0.014 |
| Deuteranopia (no green cones) | #EDD86B | 0.009 |
| Tritanopia (no blue cones) | #F9C9BD | 0.122 |
| Achromatopsia (no color) | #D5D5D5 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E9D666
#E9D666
oklch(87% 0.134 99.8)
- #CBD0FF
#CBD0FF
oklch(86.9% 0.065 280.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E9D666, closest first.
No curated palette has a color within ΔE 0.04 of #E9D666.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Mustard #F7D560 ΔE 0.020
- Maize #F4D054 ΔE 0.021
- Dull Yellow #EEDC5B ΔE 0.022
- Sandy #F1DA7A ΔE 0.024
- Sunglow #FFD166 ΔE 0.034
- Pale Gold #FDDE6C ΔE 0.037
- Sand #E2CA76 ΔE 0.041
- Sand Yellow #FCE166 ΔE 0.041
Use #E9D666 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.