#ADDCE9
Closest named color: Light Blue (#ADD8E6). oklch(86.6% 0.052 216.5), rgb(173, 220, 233).
Aa
Black text reads best on this color (14.19:1).
About this color
#ADDCE9 is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.052 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.010 away. Black text reads best on it, at 14.19:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.19:1 |
| White text | 1.47:1 |
Values
| HEX | #ADDCE9 |
| RGB | rgb(173, 220, 233) |
| HSL | hsl(193, 58%, 80%) |
| OKLCH | oklch(86.6% 0.052 216.5) |
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 #ADDCE9 | 1.47:1 | Fails | Lc -25.7 | Dividers and decoration only |
| Black text on #ADDCE9 | 14.19:1 | AAA | Lc 81.1 | Fine for body text |
| #ADDCE9 text on white | 1.47:1 | Fails | Lc 22.6 | Dividers and decoration only |
| #ADDCE9 text on black | 14.19:1 | AAA | Lc -80.6 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DCEDF2
oklch(93.5% 0.019 217.2)
-
Step 200
200 (this color)
#ADDCE9
oklch(86.6% 0.052 216.5)
-
Step 300
300
#8FCCDD
oklch(81% 0.067 217)
-
Step 400
400
#3FB1CB
oklch(70.7% 0.107 216)
-
Step 500
500
#009AB5
oklch(63.2% 0.112 216)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#ADDCE9 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) | #D3D9EA | 0.047 |
| Deuteranopia (no green cones) | #C9D1E9 | 0.043 |
| Tritanopia (no blue cones) | #9AE1E0 | 0.030 |
| Achromatopsia (no color) | #D4D4D4 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDCE9
#ADDCE9
oklch(86.6% 0.052 216.5)
- #F3C8BB
#F3C8BB
oklch(86.7% 0.052 37.5)
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 #ADDCE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.010
- Powder Blue #B0E0E6 ΔE 0.014
- Celeste #A8DADC ΔE 0.019
- Cadet Gray #CED4DA ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Gray #D3D3D3 ΔE 0.052
Use #ADDCE9 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.