#AECFD1
Closest named color: Celeste (#A8DADC). oklch(83.1% 0.035 201), rgb(174, 207, 209).
Aa
Black text reads best on this color (12.64:1).
About this color
#AECFD1 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.035 and its hue 201°. 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 12.64:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.64:1 |
| White text | 1.66:1 |
Values
| HEX | #AECFD1 |
| RGB | rgb(174, 207, 209) |
| HSL | hsl(183, 28%, 75%) |
| OKLCH | oklch(83.1% 0.035 201) |
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 #AECFD1 | 1.66:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #AECFD1 | 12.64:1 | AAA | Lc 74.7 | Content text, not long reading |
| #AECFD1 text on white | 1.66:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #AECFD1 text on black | 12.64:1 | AAA | Lc -73.8 | 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
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300 (this color)
#AECFD1
oklch(83.1% 0.035 201)
-
Step 400
400
#76ACAF
oklch(70.8% 0.057 200.3)
-
Step 500
500
#4F979B
oklch(63.1% 0.072 200.2)
-
Step 600
600
#2E8186
oklch(55.6% 0.079 200.8)
-
Step 700
700
#206D72
oklch(49.1% 0.073 201.4)
-
Step 800
800
#1D595D
oklch(42.8% 0.061 201.4)
-
Step 900
900
#1F494C
oklch(37.7% 0.047 201.6)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#AECFD1 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) | #CACCD1 | 0.036 |
| Deuteranopia (no green cones) | #C3C7D1 | 0.033 |
| Tritanopia (no blue cones) | #A4D2CF | 0.015 |
| Achromatopsia (no color) | #C9C9C9 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFD1
#AECFD1
oklch(83.1% 0.035 201)
- #DEBFBE
#DEBFBE
oklch(83.1% 0.035 20.1)
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 #AECFD1, 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 0.032
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.041
- Silver #C0C0C0 ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.046
- Cadet Gray #CED4DA ΔE 0.046
Use #AECFD1 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.