#CFBF3B
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.5% 0.147 102.2), rgb(207, 191, 59).
Aa
Black text reads best on this color (11.16:1).
About this color
#CFBF3B is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.147 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.017 away. Black text reads best on it, at 11.16:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #CFBF3B |
| RGB | rgb(207, 191, 59) |
| HSL | hsl(54, 61%, 52%) |
| OKLCH | oklch(79.5% 0.147 102.2) |
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 #CFBF3B | 1.88:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #CFBF3B | 11.16:1 | AAA | Lc 68.4 | Content text, not long reading |
| #CFBF3B text on white | 1.88:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #CFBF3B text on black | 11.16:1 | AAA | Lc -67.0 | 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
#F8F6E7
oklch(97.1% 0.02 100.6)
-
Step 100
100
#EFECCB
oklch(93.7% 0.043 102.9)
-
Step 200
200
#E3DC9D
oklch(88.5% 0.082 102.5)
-
Step 300
300 (this color)
#CFBF3B
oklch(79.5% 0.147 102.2)
-
Step 400
400
#B3A300
oklch(70.7% 0.148 102.4)
-
Step 500
500
#9A8B00
oklch(63% 0.132 101.8)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4300
oklch(37.8% 0.079 102.7)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#CFBF3B 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) | #D1B925 | 0.016 |
| Deuteranopia (no green cones) | #D5C044 | 0.012 |
| Tritanopia (no blue cones) | #DFB2A5 | 0.134 |
| Achromatopsia (no color) | #BDBDBD | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFBF3B
#CFBF3B
oklch(79.5% 0.147 102.2)
- #B1B4FF
#B1B4FF
oklch(79.5% 0.106 281.9)
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 #CFBF3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.017
- Dark Yellow #D5B60A ΔE 0.025
- Mustard #CEB301 ΔE 0.032
- Olive Yellow #C2B709 ΔE 0.035
- Burnt Yellow #D5AB09 ΔE 0.048
- Macaroni And Cheese #EFB435 ΔE 0.053
- Greenish Tan #BCCB7A ΔE 0.055
- Dark Khaki #BDB76B ΔE 0.057
Use #CFBF3B 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.