#C9DDDC
Closest named color: Cadet Gray (#CED4DA). oklch(88.2% 0.021 193.1), rgb(201, 221, 220).
Aa
Black text reads best on this color (14.85:1).
About this color
#C9DDDC is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.023 away. Black text reads best on it, at 14.85:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.85:1 |
| White text | 1.41:1 |
Values
| HEX | #C9DDDC |
| RGB | rgb(201, 221, 220) |
| HSL | hsl(177, 23%, 83%) |
| OKLCH | oklch(88.2% 0.021 193.1) |
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 #C9DDDC | 1.41:1 | Fails | Lc -22.7 | Dividers and decoration only |
| Black text on #C9DDDC | 14.85:1 | AAA | Lc 83.8 | Fine for body text |
| #C9DDDC text on white | 1.41:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #C9DDDC text on black | 14.85:1 | AAA | Lc -83.5 | Fine for body text |
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 200.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200 (this color)
#C9DDDC
oklch(88.2% 0.021 193.1)
-
Step 300
300
#ADC7C5
oklch(81% 0.028 190.9)
-
Step 400
400
#81AAA8
oklch(70.8% 0.044 192.5)
-
Step 500
500
#609593
oklch(63.2% 0.056 192.8)
-
Step 600
600
#457F7D
oklch(55.7% 0.061 192.6)
-
Step 700
700
#366B6A
oklch(49.1% 0.057 193.9)
-
Step 800
800
#2D5756
oklch(42.6% 0.047 193.5)
-
Step 900
900
#294847
oklch(37.7% 0.037 193.1)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#C9DDDC 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) | #DADBDC | 0.022 |
| Deuteranopia (no green cones) | #D6D8DC | 0.020 |
| Tritanopia (no blue cones) | #C4DEDD | 0.006 |
| Achromatopsia (no color) | #D9D9D9 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DDDC
#C9DDDC
oklch(88.2% 0.021 193.1)
- #E6D3D4
#E6D3D4
oklch(88.3% 0.021 13.9)
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 #C9DDDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.023
- Pale Silver #D8E2DC ΔE 0.025
- Gainsboro #DCDCDC ΔE 0.025
- Light Gray #D3D3D3 ΔE 0.026
- Powder Blue #B0E0E6 ΔE 0.031
- Platinum #E0E1DD ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.041
- Celeste #A8DADC ΔE 0.041
Use #C9DDDC 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.