#AECFCC
Closest named color: Celeste (#A8DADC). oklch(83% 0.035 189.7), rgb(174, 207, 204).
Aa
Black text reads best on this color (12.59:1).
About this color
#AECFCC is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.035 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.030 away. Black text reads best on it, at 12.59:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.59:1 |
| White text | 1.66:1 |
Values
| HEX | #AECFCC |
| RGB | rgb(174, 207, 204) |
| HSL | hsl(175, 26%, 75%) |
| OKLCH | oklch(83% 0.035 189.7) |
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 #AECFCC | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #AECFCC | 12.59:1 | AAA | Lc 74.5 | Content text, not long reading |
| #AECFCC text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #AECFCC text on black | 12.59:1 | AAA | Lc -73.5 | 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
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300 (this color)
#AECFCC
oklch(83% 0.035 189.7)
-
Step 400
400
#77ACA8
oklch(70.6% 0.056 190)
-
Step 500
500
#509893
oklch(63.2% 0.073 189.6)
-
Step 600
600
#30827D
oklch(55.6% 0.079 189.5)
-
Step 700
700
#216E6A
oklch(49.1% 0.073 190.1)
-
Step 800
800
#1E5A56
oklch(42.8% 0.061 188.9)
-
Step 900
900
#204A47
oklch(37.8% 0.047 189.2)
-
Step 950
950
#142B2A
oklch(27% 0.029 191.9)
#AECFCC 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) | #CBCBCC | 0.038 |
| Deuteranopia (no green cones) | #C4C6CC | 0.035 |
| Tritanopia (no blue cones) | #A5D1CE | 0.011 |
| Achromatopsia (no color) | #C8C8C8 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFCC
#AECFCC
oklch(83% 0.035 189.7)
- #DDBEC2
#DDBEC2
oklch(82.9% 0.036 9.1)
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 #AECFCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.037
- Tiffany Blue #94D2BD ΔE 0.041
- Silver #C0C0C0 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.042
- Ash Gray #BFC8AD ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.046
Use #AECFCC 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.