#AECFCB
Closest named color: Celeste (#A8DADC). oklch(82.9% 0.036 187.5), rgb(174, 207, 203).
Aa
Black text reads best on this color (12.58:1).
About this color
#AECFCB is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.036 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.031 away. Black text reads best on it, at 12.58:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.58:1 |
| White text | 1.66:1 |
Values
| HEX | #AECFCB |
| RGB | rgb(174, 207, 203) |
| HSL | hsl(173, 26%, 75%) |
| OKLCH | oklch(82.9% 0.036 187.5) |
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 #AECFCB | 1.66:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #AECFCB | 12.58:1 | AAA | Lc 74.5 | Content text, not long reading |
| #AECFCB text on white | 1.66:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #AECFCB text on black | 12.58:1 | 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
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300 (this color)
#AECFCB
oklch(82.9% 0.036 187.5)
-
Step 400
400
#77ADA7
oklch(70.8% 0.058 187.3)
-
Step 500
500
#519891
oklch(63.1% 0.073 187.2)
-
Step 600
600
#30827B
oklch(55.5% 0.079 187.3)
-
Step 700
700
#226E68
oklch(49.1% 0.073 187.6)
-
Step 800
800
#1F5A55
oklch(42.8% 0.061 187.4)
-
Step 900
900
#204A46
oklch(37.8% 0.047 187.1)
-
Step 950
950
#142B29
oklch(26.9% 0.029 188.3)
#AECFCB 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) | #CBCBCB | 0.038 |
| Deuteranopia (no green cones) | #C5C6CB | 0.036 |
| 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°).
- #AECFCB
#AECFCB
oklch(82.9% 0.036 187.5)
- #DDBEC3
#DDBEC3
oklch(82.9% 0.036 6.9)
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 #AECFCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.038
- Tiffany Blue #94D2BD ΔE 0.040
- Ash Gray #BFC8AD ΔE 0.041
- Silver #C0C0C0 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.047
Use #AECFCB 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.