#FFFF00
Named color: Yellow. oklch(96.8% 0.211 109.8), rgb(255, 255, 0).
Aa
Black text reads best on this color (19.55:1).
About this color
#FFFF00 is a very light, vivid yellow. In OKLCH its lightness is 97%, its chroma 0.211 and its hue 110°. Its hue sits on the warm side of the wheel. It is the named color Yellow. Black text reads best on it, at 19.55:1.
| Hue family | Yellows |
| Lightness | very light (97%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Yellow |
| Black text | 19.55:1 |
| White text | 1.07:1 |
Values
| HEX | #FFFF00 |
| RGB | rgb(255, 255, 0) |
| HSL | hsl(60, 100%, 50%) |
| OKLCH | oklch(96.8% 0.211 109.8) |
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 #FFFF00 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #FFFF00 | 19.55:1 | AAA | Lc 101.4 | Preferred for body text |
| #FFFF00 text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #FFFF00 text on black | 19.55:1 | AAA | Lc -102.7 | 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)
#FFFF00
oklch(96.8% 0.211 109.8)
-
Step 100
100
#EDEFB2
oklch(93.6% 0.079 109.4)
-
Step 200
200
#E0E160
oklch(88.4% 0.15 109.5)
-
Step 300
300
#C9C900
oklch(80.9% 0.176 109.8)
-
Step 400
400
#A8A800
oklch(70.8% 0.154 109.8)
-
Step 500
500
#909000
oklch(63.2% 0.138 109.8)
-
Step 600
600
#787800
oklch(55.4% 0.121 109.8)
-
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
#292900
oklch(27.2% 0.059 109.8)
#FFFF00 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) | #FFF400 | 0.027 |
| Deuteranopia (no green cones) | #FFFA31 | 0.018 |
| Tritanopia (no blue cones) | #FFEED9 | 0.186 |
| Achromatopsia (no color) | #F7F7F7 | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FFFF00
#FFFF00
oklch(96.8% 0.211 109.8)
- #F4F3FF
#F4F3FF
oklch(96.8% 0.016 289.9)
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 #FFFF00, closest first.
No curated palette has a color within ΔE 0.04 of #FFFF00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Yellow #FFFD01 ΔE 0.005
- Lemon Yellow #FDFF38 ΔE 0.012
- Sunshine Yellow #FFFD37 ΔE 0.014
- Sunny Yellow #FFF917 ΔE 0.016
- Canary Yellow #FFFE40 ΔE 0.017
- Banana Yellow #FAFE4B ΔE 0.022
- Lemon #FDFF52 ΔE 0.026
- Canary #FDFF63 ΔE 0.037
Use #FFFF00 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.