#CFB729
Closest named color: Dark Yellow (#D5B60A). oklch(77.7% 0.151 98.9), rgb(207, 183, 41).
Aa
Black text reads best on this color (10.45:1).
About this color
#CFB729 is a medium-light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.151 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Yellow (#D5B60A), ΔE 0.011 away. Black text reads best on it, at 10.45:1.
| Hue family | Yellows |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Dark Yellow (#D5B60A) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #CFB729 |
| RGB | rgb(207, 183, 41) |
| HSL | hsl(51, 67%, 49%) |
| OKLCH | oklch(77.7% 0.151 98.9) |
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 #CFB729 | 2.00:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #CFB729 | 10.45:1 | AAA | Lc 65.2 | Content text, not long reading |
| #CFB729 text on white | 2.00:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #CFB729 text on black | 10.45:1 | AAA | Lc -63.6 | 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
#F9F6E7
oklch(97.1% 0.02 97.5)
-
Step 100
100
#F1EBCA
oklch(93.6% 0.044 98.7)
-
Step 200
200
#E7DB9A
oklch(88.6% 0.084 99)
-
Step 300
300 (this color)
#CFB729
oklch(77.7% 0.151 98.9)
-
Step 400
400
#B8A100
oklch(70.8% 0.147 99)
-
Step 500
500
#9E8A00
oklch(63.2% 0.131 99)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#6F6100
oklch(49.1% 0.102 99.4)
-
Step 800
800
#5B4F00
oklch(42.7% 0.088 99.2)
-
Step 900
900
#4C4200
oklch(37.8% 0.078 99.5)
-
Step 950
950
#2D2600
oklch(26.8% 0.056 98.7)
#CFB729 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) | #CAB200 | 0.018 |
| Deuteranopia (no green cones) | #D0BB34 | 0.011 |
| Tritanopia (no blue cones) | #E0A99D | 0.138 |
| Achromatopsia (no color) | #B7B7B7 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFB729
#CFB729
oklch(77.7% 0.151 98.9)
- #A6AFFF
#A6AFFF
oklch(77.8% 0.114 278.5)
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 #CFB729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Yellow #D5B60A ΔE 0.011
- Mustard #CEB301 ΔE 0.013
- Mustard Yellow #D2BD0A ΔE 0.021
- Olive Yellow #C2B709 ΔE 0.024
- Burnt Yellow #D5AB09 ΔE 0.029
- Muddy Yellow #BFAC05 ΔE 0.040
- Goldenrod #DAA520 ΔE 0.046
- Macaroni And Cheese #EFB435 ΔE 0.052
Use #CFB729 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.