#CDC550
Closest named color: Mustard Yellow (#D2BD0A). oklch(80.8% 0.138 105.4), rgb(205, 197, 80).
Aa
Black text reads best on this color (11.69:1).
About this color
#CDC550 is a light, moderately saturated yellow. In OKLCH its lightness is 81%, its chroma 0.138 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.033 away. Black text reads best on it, at 11.69:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.69:1 |
| White text | 1.79:1 |
Values
| HEX | #CDC550 |
| RGB | rgb(205, 197, 80) |
| HSL | hsl(56, 56%, 56%) |
| OKLCH | oklch(80.8% 0.138 105.4) |
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 #CDC550 | 1.79:1 | Fails | Lc -37.2 | Non-text elements, placeholder text |
| Black text on #CDC550 | 11.69:1 | AAA | Lc 70.7 | Content text, not long reading |
| #CDC550 text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #CDC550 text on black | 11.69:1 | AAA | Lc -69.5 | 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
#F7F6E9
oklch(97% 0.017 103.1)
-
Step 100
100
#EDECCE
oklch(93.6% 0.039 105.6)
-
Step 200
200
#E0DDA2
oklch(88.6% 0.077 105.4)
-
Step 300
300 (this color)
#CDC550
oklch(80.8% 0.138 105.4)
-
Step 400
400
#AFA500
oklch(70.8% 0.15 105.3)
-
Step 500
500
#968D00
oklch(63.1% 0.134 105.1)
-
Step 600
600
#7E7600
oklch(55.5% 0.118 104.9)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#484300
oklch(37.6% 0.08 104.8)
-
Step 950
950
#2B2800
oklch(27.1% 0.058 105.3)
#CDC550 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) | #D5BE42 | 0.019 |
| Deuteranopia (no green cones) | #D8C457 | 0.018 |
| Tritanopia (no blue cones) | #DBB9AC | 0.124 |
| Achromatopsia (no color) | #C1C1C1 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDC550
#CDC550
oklch(80.8% 0.138 105.4)
- #B9B7FF
#B9B7FF
oklch(80.7% 0.101 285.2)
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 #CDC550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.033
- Greenish Tan #BCCB7A ΔE 0.041
- Greenish Beige #C9D179 ΔE 0.041
- Dark Yellow #D5B60A ΔE 0.042
- Pale Olive #B9CC81 ΔE 0.048
- Olive Yellow #C2B709 ΔE 0.049
- Mustard #CEB301 ΔE 0.049
- Pale Olive Green #B1D27B ΔE 0.051
Use #CDC550 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.