Sunny Yellow #FFF917
Sunny Yellow is a very light, vivid yellow with hex code #FFF917 and RGB rgb(255, 249, 23).
Aa
Black text reads best on this color (18.81:1).
About this color
#FFF917 is a very light, vivid yellow. In OKLCH its lightness is 96%, its chroma 0.203 and its hue 108°. Its hue sits on the warm side of the wheel. It is the named color Sunny Yellow. Black text reads best on it, at 18.81:1.
| Hue family | Yellows |
| Lightness | very light (96%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Sunny Yellow |
| Black text | 18.81:1 |
| White text | 1.11:1 |
Colors that go with Sunny Yellow
Matches found by rotating Sunny Yellow around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Sunny Yellow
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Sunny Yellow, closest first.
Similar named colors
The eight named colors closest to Sunny Yellow, with their ΔE distance.
- Bright Yellow #FFFD01 ΔE 0.011
- Sunshine Yellow #FFFD37 ΔE 0.012
- Lemon Yellow #FDFF38 ΔE 0.015
- Canary Yellow #FFFE40 ΔE 0.016
- Yellow #FFFF00 ΔE 0.016
- Banana Yellow #FAFE4B ΔE 0.019
- Lemon #FDFF52 ΔE 0.023
- Off Yellow #F1F33F ΔE 0.029
More about Sunny Yellow
How to make Sunny Yellow
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 1 part yellow
- 1 part white
Recipe result: #FFE350, a difference of ΔE 0.066 from Sunny Yellow. That is close; add a little more of one paint to match.
Codes for Sunny Yellow in every format
| HEX | #FFF917 |
| RGB | rgb(255, 249, 23) |
| HSL | hsl(58, 100%, 55%) |
| OKLCH | oklch(95.6% 0.203 107.9) |
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 #FFF917 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| Black text on #FFF917 | 18.81:1 | AAA | Lc 98.7 | Preferred for body text |
| #FFF917 text on white | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #FFF917 text on black | 18.81:1 | AAA | Lc -99.8 | Preferred for body text |
Shades and tints of Sunny Yellow
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)
#FFF917
oklch(95.6% 0.203 107.9)
-
Step 100
100
#EEEEB4
oklch(93.5% 0.075 107.8)
-
Step 200
200
#E3E065
oklch(88.5% 0.145 107.7)
-
Step 300
300
#CDC800
oklch(81% 0.175 107.9)
-
Step 400
400
#ABA600
oklch(70.6% 0.152 107.6)
-
Step 500
500
#928F00
oklch(63.2% 0.136 108.3)
-
Step 600
600
#7B7800
oklch(55.7% 0.12 108)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
Sunny Yellow 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) | #FFEF00 | 0.024 |
| Deuteranopia (no green cones) | #FFF636 | 0.013 |
| Tritanopia (no blue cones) | #FFE8D5 | 0.181 |
| Achromatopsia (no color) | #F2F2F2 | 0.203 |
Use Sunny Yellow 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.