#C6DDDA
Closest named color: Cadet Gray (#CED4DA). oklch(88% 0.025 187.2), rgb(198, 221, 218).
Aa
Black text reads best on this color (14.75:1).
About this color
#C6DDDA is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.025 away. Black text reads best on it, at 14.75:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.75:1 |
| White text | 1.42:1 |
Values
| HEX | #C6DDDA |
| RGB | rgb(198, 221, 218) |
| HSL | hsl(172, 25%, 82%) |
| OKLCH | oklch(88% 0.025 187.2) |
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 #C6DDDA | 1.42:1 | Fails | Lc -23.2 | Dividers and decoration only |
| Black text on #C6DDDA | 14.75:1 | AAA | Lc 83.3 | Fine for body text |
| #C6DDDA text on white | 1.42:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #C6DDDA text on black | 14.75:1 | AAA | Lc -83.0 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200 (this color)
#C6DDDA
oklch(88% 0.025 187.2)
-
Step 300
300
#AAC8C4
oklch(80.9% 0.033 186.7)
-
Step 400
400
#7CABA6
oklch(70.6% 0.051 187.9)
-
Step 500
500
#589790
oklch(63.2% 0.066 186.6)
-
Step 600
600
#3B817A
oklch(55.6% 0.071 186.6)
-
Step 700
700
#2D6D67
oklch(49.2% 0.066 186.9)
-
Step 800
800
#265954
oklch(42.8% 0.055 186.8)
-
Step 900
900
#254945
oklch(37.7% 0.042 186.3)
-
Step 950
950
#162B29
oklch(27.1% 0.027 187.9)
#C6DDDA 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) | #DADADA | 0.026 |
| Deuteranopia (no green cones) | #D6D7DA | 0.025 |
| Tritanopia (no blue cones) | #C0DEDC | 0.007 |
| Achromatopsia (no color) | #D8D8D8 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6DDDA
#C6DDDA
oklch(88% 0.025 187.2)
- #E7D1D4
#E7D1D4
oklch(88% 0.025 8.2)
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 #C6DDDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.025
- Pale Silver #D8E2DC ΔE 0.028
- Light Gray #D3D3D3 ΔE 0.028
- Powder Blue #B0E0E6 ΔE 0.028
- Gainsboro #DCDCDC ΔE 0.029
- Platinum #E0E1DD ΔE 0.037
- Celeste #A8DADC ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.039
Use #C6DDDA 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.