#FDFF63
Named color: Canary. oklch(97% 0.174 109.9), rgb(253, 255, 99).
Aa
Black text reads best on this color (19.66:1).
About this color
#FDFF63 is a very light, vivid yellow. In OKLCH its lightness is 97%, its chroma 0.174 and its hue 110°. Its hue sits on the warm side of the wheel. It is the named color Canary. Black text reads best on it, at 19.66:1.
| Hue family | Yellows |
| Lightness | very light (97%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Canary |
| Black text | 19.66:1 |
| White text | 1.06:1 |
Values
| HEX | #FDFF63 |
| RGB | rgb(253, 255, 99) |
| HSL | hsl(61, 100%, 69%) |
| OKLCH | oklch(97% 0.174 109.9) |
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 #FDFF63 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| Black text on #FDFF63 | 19.66:1 | AAA | Lc 101.6 | Preferred for body text |
| #FDFF63 text on white | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #FDFF63 text on black | 19.66:1 | AAA | Lc -103.0 | Preferred 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 50.
-
Step 50
50 (this color)
#FDFF63
oklch(97% 0.174 109.9)
-
Step 100
100
#ECEEBD
oklch(93.5% 0.064 109.5)
-
Step 200
200
#DEE07C
oklch(88.4% 0.123 109.7)
-
Step 300
300
#C9C900
oklch(80.9% 0.176 109.8)
-
Step 400
400
#A7A800
oklch(70.7% 0.155 110.2)
-
Step 500
500
#8F9000
oklch(63.2% 0.138 110.3)
-
Step 600
600
#787900
oklch(55.7% 0.122 110.4)
-
Step 700
700
#656500
oklch(49.1% 0.107 109.8)
-
Step 800
800
#535300
oklch(42.8% 0.093 109.8)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#FDFF63 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) | #FFF550 | 0.024 |
| Deuteranopia (no green cones) | #FFFA6D | 0.017 |
| Tritanopia (no blue cones) | #FFF0DE | 0.152 |
| Achromatopsia (no color) | #F7F7F7 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FDFF63
#FDFF63
oklch(97% 0.174 109.9)
- #F5F4FF
#F5F4FF
oklch(97.1% 0.015 290.3)
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 #FDFF63, closest first.
No curated palette has a color within ΔE 0.04 of #FDFF63.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lemon #FDFF52 ΔE 0.012
- Pastel Yellow #FFFE71 ΔE 0.013
- Butter Yellow #FFFD74 ΔE 0.017
- Banana Yellow #FAFE4B ΔE 0.017
- Custard #FFFD78 ΔE 0.020
- Canary Yellow #FFFE40 ΔE 0.020
- Banana #FFFF7E ΔE 0.023
- Faded Yellow #FEFF7F ΔE 0.024
Use #FDFF63 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.