#F9E166
Closest named color: Sand Yellow (#FCE166). oklch(90.6% 0.144 98.4), rgb(249, 225, 102).
Aa
Black text reads best on this color (15.98:1).
About this color
#F9E166 is a very light, vivid yellow. In OKLCH its lightness is 91%, its chroma 0.144 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Sand Yellow (#FCE166), ΔE 0.004 away. Black text reads best on it, at 15.98:1.
| Hue family | Yellows |
| Lightness | very light (91%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Sand Yellow (#FCE166) |
| Black text | 15.98:1 |
| White text | 1.31:1 |
Values
| HEX | #F9E166 |
| RGB | rgb(249, 225, 102) |
| HSL | hsl(50, 92%, 69%) |
| OKLCH | oklch(90.6% 0.144 98.4) |
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 #F9E166 | 1.31:1 | Fails | Lc -17.7 | Dividers and decoration only |
| Black text on #F9E166 | 15.98:1 | AAA | Lc 88.2 | Fine for body text |
| #F9E166 text on white | 1.31:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #F9E166 text on black | 15.98:1 | AAA | Lc -88.3 | 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
#F9F6E3
oklch(97% 0.025 99.5)
-
Step 100
100
#F3EBC2
oklch(93.6% 0.054 98.2)
-
Step 200
200 (this color)
#F9E166
oklch(90.6% 0.144 98.4)
-
Step 300
300
#DDC000
oklch(80.8% 0.167 98.2)
-
Step 400
400
#B9A000
oklch(70.6% 0.146 97.9)
-
Step 500
500
#9E8900
oklch(63% 0.13 98.3)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#706100
oklch(49.2% 0.102 98.7)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4C4100
oklch(37.5% 0.078 98.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#F9E166 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) | #F5DC59 | 0.016 |
| Deuteranopia (no green cones) | #FBE46C | 0.009 |
| Tritanopia (no blue cones) | #FFD2C6 | 0.129 |
| Achromatopsia (no color) | #E1E1E1 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F9E166
#F9E166
oklch(90.6% 0.144 98.4)
- #D9DEFF
#D9DEFF
oklch(90.7% 0.045 278.6)
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 #F9E166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sand Yellow #FCE166 ΔE 0.004
- Pale Gold #FDDE6C ΔE 0.012
- Yellow Tan #FFE36E ΔE 0.013
- Dull Yellow #EEDC5B ΔE 0.023
- Light Mustard #F7D560 ΔE 0.030
- Sandy #F1DA7A ΔE 0.031
- Sandy Yellow #FDEE73 ΔE 0.033
- Khaki #F0E68C ΔE 0.034
Use #F9E166 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.