#CDBF37
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.3% 0.15 103.3), rgb(205, 191, 55).
Aa
Black text reads best on this color (11.10:1).
About this color
#CDBF37 is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.150 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.015 away. Black text reads best on it, at 11.10:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #CDBF37 |
| RGB | rgb(205, 191, 55) |
| HSL | hsl(54, 60%, 51%) |
| OKLCH | oklch(79.3% 0.15 103.3) |
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 #CDBF37 | 1.89:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #CDBF37 | 11.10:1 | AAA | Lc 68.1 | Content text, not long reading |
| #CDBF37 text on white | 1.89:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #CDBF37 text on black | 11.10:1 | AAA | Lc -66.7 | 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
#F7F6E7
oklch(97% 0.02 103.7)
-
Step 100
100
#EEECCB
oklch(93.6% 0.043 104.4)
-
Step 200
200
#E2DC9C
oklch(88.4% 0.083 103.4)
-
Step 300
300 (this color)
#CDBF37
oklch(79.3% 0.15 103.3)
-
Step 400
400
#B2A400
oklch(70.8% 0.149 103.4)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807500
oklch(55.5% 0.117 103)
-
Step 700
700
#6C6300
oklch(49.3% 0.104 103.3)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#CDBF37 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) | #D0B91E | 0.016 |
| Deuteranopia (no green cones) | #D5BF41 | 0.015 |
| Tritanopia (no blue cones) | #DDB2A5 | 0.137 |
| Achromatopsia (no color) | #BCBCBC | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDBF37
#CDBF37
oklch(79.3% 0.15 103.3)
- #B2B2FF
#B2B2FF
oklch(79.2% 0.109 283.6)
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 #CDBF37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.015
- Dark Yellow #D5B60A ΔE 0.024
- Mustard #CEB301 ΔE 0.031
- Olive Yellow #C2B709 ΔE 0.031
- Burnt Yellow #D5AB09 ΔE 0.049
- Muddy Yellow #BFAC05 ΔE 0.055
- Light Olive #ACBF69 ΔE 0.056
- Greenish Tan #BCCB7A ΔE 0.057
Use #CDBF37 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.