#AECFCF
Closest named color: Celeste (#A8DADC). oklch(83% 0.035 196.5), rgb(174, 207, 207).
Aa
Black text reads best on this color (12.62:1).
About this color
#AECFCF is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.035 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.029 away. Black text reads best on it, at 12.62:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.62:1 |
| White text | 1.66:1 |
Values
| HEX | #AECFCF |
| RGB | rgb(174, 207, 207) |
| HSL | hsl(180, 26%, 75%) |
| OKLCH | oklch(83% 0.035 196.5) |
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 #AECFCF | 1.66:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #AECFCF | 12.62:1 | AAA | Lc 74.6 | Content text, not long reading |
| #AECFCF text on white | 1.66:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #AECFCF text on black | 12.62:1 | AAA | Lc -73.7 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDD
oklch(88.4% 0.019 196.8)
-
Step 300
300 (this color)
#AECFCF
oklch(83% 0.035 196.5)
-
Step 400
400
#76ACAC
oklch(70.7% 0.057 195.9)
-
Step 500
500
#509798
oklch(63.1% 0.071 196.7)
-
Step 600
600
#2F8183
oklch(55.5% 0.078 197.4)
-
Step 700
700
#206D6E
oklch(49% 0.073 196.3)
-
Step 800
800
#1E595A
oklch(42.7% 0.06 196.7)
-
Step 900
900
#1F494A
oklch(37.6% 0.047 197.4)
-
Step 950
950
#132B2B
oklch(27% 0.03 195.5)
#AECFCF 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) | #CACCCF | 0.036 |
| Deuteranopia (no green cones) | #C4C6CF | 0.035 |
| Tritanopia (no blue cones) | #A4D1CF | 0.012 |
| Achromatopsia (no color) | #C9C9C9 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFCF
#AECFCF
oklch(83% 0.035 196.5)
- #DEBFBF
#DEBFBF
oklch(83.1% 0.035 17.9)
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 #AECFCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.038
- Silver #C0C0C0 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.043
- Tiffany Blue #94D2BD ΔE 0.044
- Ash Gray #BFC8AD ΔE 0.046
Use #AECFCF 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.