#CAAD01
Closest named color: Mustard (#CEB301). oklch(75% 0.155 97), rgb(202, 173, 1).
Aa
Black text reads best on this color (9.48:1).
About this color
#CAAD01 is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.155 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard (#CEB301), ΔE 0.017 away. Black text reads best on it, at 9.48:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Mustard (#CEB301) |
| Black text | 9.48:1 |
| White text | 2.21:1 |
Values
| HEX | #CAAD01 |
| RGB | rgb(202, 173, 1) |
| HSL | hsl(51, 99%, 40%) |
| OKLCH | oklch(75% 0.155 97) |
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 #CAAD01 | 2.21:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #CAAD01 | 9.48:1 | AAA | Lc 60.6 | Content text, not long reading |
| #CAAD01 text on white | 2.21:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #CAAD01 text on black | 9.48:1 | AAA | Lc -58.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F8F6EC
oklch(97.2% 0.013 97.4)
-
Step 100
100
#EFEAD6
oklch(93.6% 0.027 95.4)
-
Step 200
200
#E3DAB2
oklch(88.5% 0.054 96.8)
-
Step 300
300
#D2C177
oklch(80.9% 0.096 96.8)
-
Step 400
400 (this color)
#CAAD01
oklch(75% 0.155 97)
-
Step 500
500
#A08900
oklch(63.2% 0.13 97.2)
-
Step 600
600
#867300
oklch(55.7% 0.115 97.6)
-
Step 700
700
#716000
oklch(49.1% 0.101 97)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#CAAD01 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) | #C0A900 | 0.019 |
| Deuteranopia (no green cones) | #C8B21B | 0.012 |
| Tritanopia (no blue cones) | #DB9E93 | 0.143 |
| Achromatopsia (no color) | #AEAEAE | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CAAD01
#CAAD01
oklch(75% 0.155 97)
- #9AA6FF
#9AA6FF
oklch(75.1% 0.129 277)
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 #CAAD01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard #CEB301 ΔE 0.017
- Muddy Yellow #BFAC05 ΔE 0.017
- Burnt Yellow #D5AB09 ΔE 0.018
- Olive Yellow #C2B709 ΔE 0.027
- Dark Yellow #D5B60A ΔE 0.030
- Goldenrod #DAA520 ΔE 0.035
- Yellow Ochre #CB9D06 ΔE 0.041
- Mustard Yellow #D2BD0A ΔE 0.044
Use #CAAD01 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.