#DEC101
Closest named color: Mustard Yellow (#D2BD0A). oklch(81.1% 0.168 98.2), rgb(222, 193, 1).
Aa
Black text reads best on this color (11.73:1).
About this color
#DEC101 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.168 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.022 away. Black text reads best on it, at 11.73:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.73:1 |
| White text | 1.78:1 |
Values
| HEX | #DEC101 |
| RGB | rgb(222, 193, 1) |
| HSL | hsl(52, 99%, 44%) |
| OKLCH | oklch(81.1% 0.168 98.2) |
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 #DEC101 | 1.78:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #DEC101 | 11.73:1 | AAA | Lc 71.0 | Content text, not long reading |
| #DEC101 text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #DEC101 text on black | 11.73:1 | AAA | Lc -69.8 | Content text, not long reading |
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 300.
-
Step 50
50
#F9F6E5
oklch(97.1% 0.023 98.6)
-
Step 100
100
#F2EBC6
oklch(93.6% 0.049 98.4)
-
Step 200
200
#E9DA92
oklch(88.4% 0.093 97.8)
-
Step 300
300 (this color)
#DEC101
oklch(81.1% 0.168 98.2)
-
Step 400
400
#B9A000
oklch(70.6% 0.146 97.9)
-
Step 500
500
#9E8900
oklch(63% 0.13 98.3)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#706100
oklch(49.2% 0.102 98.7)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#DEC101 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) | #D6BC00 | 0.018 |
| Deuteranopia (no green cones) | #DEC620 | 0.012 |
| Tritanopia (no blue cones) | #F1B1A4 | 0.154 |
| Achromatopsia (no color) | #C2C2C2 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEC101
#DEC101
oklch(81.1% 0.168 98.2)
- #B3BBFF
#B3BBFF
oklch(81% 0.096 278.8)
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 #DEC101, closest first.
No curated palette has a color within ΔE 0.04 of #DEC101.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.022
- Dark Yellow #D5B60A ΔE 0.033
- Golden #F5BF03 ΔE 0.036
- Golden Rod #F9BC08 ΔE 0.043
- Mustard #CEB301 ΔE 0.045
- Marigold #FCC006 ΔE 0.047
- Macaroni And Cheese #EFB435 ΔE 0.049
- Olive Yellow #C2B709 ΔE 0.051
Use #DEC101 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.