#AACFD4
Closest named color: Celeste (#A8DADC). oklch(82.9% 0.04 206.5), rgb(170, 207, 212).
Aa
Black text reads best on this color (12.58:1).
About this color
#AACFD4 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.040 and its hue 206°. 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 12.58:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.58:1 |
| White text | 1.66:1 |
Values
| HEX | #AACFD4 |
| RGB | rgb(170, 207, 212) |
| HSL | hsl(187, 33%, 75%) |
| OKLCH | oklch(82.9% 0.04 206.5) |
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 #AACFD4 | 1.66:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #AACFD4 | 12.58:1 | AAA | Lc 74.5 | Content text, not long reading |
| #AACFD4 text on white | 1.66:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #AACFD4 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300 (this color)
#AACFD4
oklch(82.9% 0.04 206.5)
-
Step 400
400
#70ACB4
oklch(70.6% 0.063 206.5)
-
Step 500
500
#4497A2
oklch(63% 0.081 207)
-
Step 600
600
#1C828D
oklch(55.7% 0.088 206.1)
-
Step 700
700
#086E78
oklch(49.2% 0.082 206.1)
-
Step 800
800
#105962
oklch(42.6% 0.068 207.6)
-
Step 900
900
#184A50
oklch(37.9% 0.053 206.3)
-
Step 950
950
#102B2F
oklch(27% 0.033 208.2)
#AACFD4 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) | #C9CCD4 | 0.039 |
| Deuteranopia (no green cones) | #C1C6D4 | 0.036 |
| Tritanopia (no blue cones) | #9DD2D0 | 0.019 |
| Achromatopsia (no color) | #C8C8C8 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACFD4
#AACFD4
oklch(82.9% 0.04 206.5)
- #E0BEBA
#E0BEBA
oklch(83% 0.039 25.9)
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 #AACFD4, 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 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.038
- Silver #C0C0C0 ΔE 0.045
- Tiffany Blue #94D2BD ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.047
Use #AACFD4 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.