#FDDF63
Closest named color: Sand Yellow (#FCE166). oklch(90.6% 0.145 95.7), rgb(253, 223, 99).
Aa
Black text reads best on this color (15.91:1).
About this color
#FDDF63 is a very light, vivid yellow. In OKLCH its lightness is 91%, its chroma 0.145 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Sand Yellow (#FCE166), ΔE 0.005 away. Black text reads best on it, at 15.91:1.
| Hue family | Yellows |
| Lightness | very light (91%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Sand Yellow (#FCE166) |
| Black text | 15.91:1 |
| White text | 1.31:1 |
Values
| HEX | #FDDF63 |
| RGB | rgb(253, 223, 99) |
| HSL | hsl(48, 97%, 69%) |
| OKLCH | oklch(90.6% 0.145 95.7) |
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 #FDDF63 | 1.31:1 | Fails | Lc -18.0 | Dividers and decoration only |
| Black text on #FDDF63 | 15.91:1 | AAA | Lc 88.0 | Fine for body text |
| #FDDF63 text on white | 1.31:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #FDDF63 text on black | 15.91:1 | AAA | Lc -88.0 | 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
#FAF6E3
oklch(97.1% 0.025 97.1)
-
Step 100
100
#F4EAC2
oklch(93.5% 0.053 95.6)
-
Step 200
200 (this color)
#FDDF63
oklch(90.6% 0.145 95.7)
-
Step 300
300
#E1BE00
oklch(80.8% 0.166 95.6)
-
Step 400
400
#BC9F00
oklch(70.7% 0.145 95.9)
-
Step 500
500
#A18800
oklch(63.1% 0.13 96)
-
Step 600
600
#887200
oklch(55.6% 0.114 95.6)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2F2600
oklch(27.1% 0.056 95.5)
#FDDF63 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) | #F4DB55 | 0.020 |
| Deuteranopia (no green cones) | #FBE469 | 0.012 |
| Tritanopia (no blue cones) | #FFD0C4 | 0.129 |
| Achromatopsia (no color) | #E0E0E0 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FDDF63
#FDDF63
oklch(90.6% 0.145 95.7)
- #D7DEFF
#D7DEFF
oklch(90.6% 0.046 276)
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 #FDDF63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sand Yellow #FCE166 ΔE 0.005
- Pale Gold #FDDE6C ΔE 0.009
- Yellow Tan #FFE36E ΔE 0.012
- Dull Yellow #EEDC5B ΔE 0.025
- Light Mustard #F7D560 ΔE 0.027
- Sandy #F1DA7A ΔE 0.032
- Sandy Yellow #FDEE73 ΔE 0.036
- Sunglow #FFD166 ΔE 0.036
Use #FDDF63 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.