#AECFD5
Closest named color: Celeste (#A8DADC). oklch(83.2% 0.036 209.8), rgb(174, 207, 213).
Aa
Black text reads best on this color (12.68:1).
About this color
#AECFD5 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.036 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.028 away. Black text reads best on it, at 12.68:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.68:1 |
| White text | 1.65:1 |
Values
| HEX | #AECFD5 |
| RGB | rgb(174, 207, 213) |
| HSL | hsl(189, 32%, 76%) |
| OKLCH | oklch(83.2% 0.036 209.8) |
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 #AECFD5 | 1.65:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #AECFD5 | 12.68:1 | AAA | Lc 74.9 | Content text, not long reading |
| #AECFD5 text on white | 1.65:1 | Fails | Lc 28.9 | Dividers and decoration only |
| #AECFD5 text on black | 12.68:1 | AAA | Lc -73.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300 (this color)
#AECFD5
oklch(83.2% 0.036 209.8)
-
Step 400
400
#75ABB4
oklch(70.7% 0.058 209)
-
Step 500
500
#4E96A2
oklch(63.1% 0.074 209.5)
-
Step 600
600
#2D808D
oklch(55.6% 0.08 209.7)
-
Step 700
700
#1E6C78
oklch(49.1% 0.075 209.9)
-
Step 800
800
#1C5862
oklch(42.7% 0.062 210.6)
-
Step 900
900
#1E4950
oklch(37.8% 0.049 209.6)
-
Step 950
950
#132B2F
oklch(27.2% 0.031 209.5)
#AECFD5 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) | #C9CCD5 | 0.035 |
| Deuteranopia (no green cones) | #C2C7D5 | 0.032 |
| Tritanopia (no blue cones) | #A3D2D1 | 0.017 |
| Achromatopsia (no color) | #C9C9C9 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFD5
#AECFD5
oklch(83.2% 0.036 209.8)
- #DFC0BA
#DFC0BA
oklch(83.3% 0.037 30.8)
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 #AECFD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.038
- Silver #C0C0C0 ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.045
Use #AECFD5 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.