#AECDC9
Closest named color: Celeste (#A8DADC). oklch(82.4% 0.034 187), rgb(174, 205, 201).
Aa
Black text reads best on this color (12.37:1).
About this color
#AECDC9 is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.034 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.036 away. Black text reads best on it, at 12.37:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.37:1 |
| White text | 1.69:1 |
Values
| HEX | #AECDC9 |
| RGB | rgb(174, 205, 201) |
| HSL | hsl(172, 24%, 74%) |
| OKLCH | oklch(82.4% 0.034 187) |
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 #AECDC9 | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #AECDC9 | 12.37:1 | AAA | Lc 73.5 | Content text, not long reading |
| #AECDC9 text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #AECDC9 text on black | 12.37:1 | AAA | Lc -72.5 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300 (this color)
#AECDC9
oklch(82.4% 0.034 187)
-
Step 400
400
#7AACA6
oklch(70.7% 0.054 186.7)
-
Step 500
500
#559790
oklch(63% 0.069 186.8)
-
Step 600
600
#37817B
oklch(55.5% 0.074 188)
-
Step 700
700
#286D67
oklch(49% 0.069 187.2)
-
Step 800
800
#235954
oklch(42.6% 0.058 187)
-
Step 900
900
#224945
oklch(37.6% 0.045 186.7)
-
Step 950
950
#152B29
oklch(27% 0.028 188.1)
#AECDC9 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) | #CAC9C9 | 0.037 |
| Deuteranopia (no green cones) | #C3C5C9 | 0.033 |
| Tritanopia (no blue cones) | #A6CFCC | 0.010 |
| Achromatopsia (no color) | #C7C7C7 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECDC9
#AECDC9
oklch(82.4% 0.034 187)
- #DABDC2
#DABDC2
oklch(82.5% 0.034 6.1)
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 #AECDC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.036
- Silver #C0C0C0 ΔE 0.037
- Ash Gray #BFC8AD ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.045
Use #AECDC9 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.