#ACD1DB
Closest named color: Light Blue (#ADD8E6). oklch(83.7% 0.042 216), rgb(172, 209, 219).
Aa
Black text reads best on this color (12.89:1).
About this color
#ACD1DB is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.042 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.021 away. Black text reads best on it, at 12.89:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.89:1 |
| White text | 1.62:1 |
Values
| HEX | #ACD1DB |
| RGB | rgb(172, 209, 219) |
| HSL | hsl(193, 39%, 77%) |
| OKLCH | oklch(83.7% 0.042 216) |
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 #ACD1DB | 1.62:1 | Fails | Lc -31.6 | Non-text elements, placeholder text |
| Black text on #ACD1DB | 12.89:1 | AAA | Lc 75.8 | Fine for body text |
| #ACD1DB text on white | 1.62:1 | Fails | Lc 28.0 | Dividers and decoration only |
| #ACD1DB text on black | 12.89:1 | AAA | Lc -74.9 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300 (this color)
#ACD1DB
oklch(83.7% 0.042 216)
-
Step 400
400
#6FABBB
oklch(70.6% 0.066 216.5)
-
Step 500
500
#4396AA
oklch(63% 0.085 216)
-
Step 600
600
#1A8096
oklch(55.5% 0.092 216.7)
-
Step 700
700
#056C80
oklch(49% 0.086 216.7)
-
Step 800
800
#0E5868
oklch(42.6% 0.071 216.8)
-
Step 900
900
#174954
oklch(37.7% 0.055 215.1)
-
Step 950
950
#0F2B31
oklch(27% 0.035 213.8)
#ACD1DB 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) | #CACEDC | 0.038 |
| Deuteranopia (no green cones) | #C2C8DB | 0.035 |
| Tritanopia (no blue cones) | #9ED5D4 | 0.023 |
| Achromatopsia (no color) | #CBCBCB | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACD1DB
#ACD1DB
oklch(83.7% 0.042 216)
- #E3C1B7
#E3C1B7
oklch(83.7% 0.041 37)
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 #ACD1DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.021
- Celeste #A8DADC ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.045
- Sky Blue #87CEEB ΔE 0.047
Use #ACD1DB 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.