#F1DD59
Closest named color: Dull Yellow (#EEDC5B). oklch(89% 0.151 100.7), rgb(241, 221, 89).
Aa
Black text reads best on this color (15.22:1).
About this color
#F1DD59 is a light, vivid yellow. In OKLCH its lightness is 89%, its chroma 0.151 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.005 away. Black text reads best on it, at 15.22:1.
| Hue family | Yellows |
| Lightness | light (89%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 15.22:1 |
| White text | 1.37:1 |
Values
| HEX | #F1DD59 |
| RGB | rgb(241, 221, 89) |
| HSL | hsl(52, 84%, 65%) |
| OKLCH | oklch(89% 0.151 100.7) |
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 #F1DD59 | 1.37:1 | Fails | Lc -21.0 | Dividers and decoration only |
| Black text on #F1DD59 | 15.22:1 | AAA | Lc 85.3 | Fine for body text |
| #F1DD59 text on white | 1.37:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #F1DD59 text on black | 15.22:1 | AAA | Lc -85.2 | 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
#F2ECC1
oklch(93.7% 0.056 100.8)
-
Step 200
200 (this color)
#F1DD59
oklch(89% 0.151 100.7)
-
Step 300
300
#D9C200
oklch(80.8% 0.168 100.7)
-
Step 400
400
#B5A200
oklch(70.7% 0.147 100.9)
-
Step 500
500
#9C8B00
oklch(63.2% 0.132 100.7)
-
Step 600
600
#837400
oklch(55.6% 0.116 100.3)
-
Step 700
700
#6E6100
oklch(49% 0.102 100.2)
-
Step 800
800
#5A5000
oklch(42.8% 0.089 101.1)
-
Step 900
900
#4B4200
oklch(37.7% 0.078 100.6)
-
Step 950
950
#2D2700
oklch(27.1% 0.056 100.5)
#F1DD59 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) | #F0D749 | 0.016 |
| Deuteranopia (no green cones) | #F6DF60 | 0.011 |
| Tritanopia (no blue cones) | #FFCEC1 | 0.137 |
| Achromatopsia (no color) | #DBDBDB | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F1DD59
#F1DD59
oklch(89% 0.151 100.7)
- #D3D7FF
#D3D7FF
oklch(88.9% 0.055 280.7)
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 #F1DD59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.005
- Sand Yellow #FCE166 ΔE 0.022
- Light Mustard #F7D560 ΔE 0.024
- Pale Gold #FDDE6C ΔE 0.026
- Yellow Tan #FFE36E ΔE 0.031
- Maize #F4D054 ΔE 0.032
- Sandy #F1DA7A ΔE 0.033
- Sun Yellow #FFDF22 ΔE 0.034
Use #F1DD59 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.