#ADD1DF
Closest named color: Light Blue (#ADD8E6). oklch(83.9% 0.043 223.4), rgb(173, 209, 223).
Aa
Black text reads best on this color (12.96:1).
About this color
#ADD1DF is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.043 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 12.96:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.96:1 |
| White text | 1.62:1 |
Values
| HEX | #ADD1DF |
| RGB | rgb(173, 209, 223) |
| HSL | hsl(197, 44%, 78%) |
| OKLCH | oklch(83.9% 0.043 223.4) |
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 #ADD1DF | 1.62:1 | Fails | Lc -31.3 | Non-text elements, placeholder text |
| Black text on #ADD1DF | 12.96:1 | AAA | Lc 76.1 | Fine for body text |
| #ADD1DF text on white | 1.62:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #ADD1DF text on black | 12.96:1 | AAA | Lc -75.2 | Fine for body text |
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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300 (this color)
#ADD1DF
oklch(83.9% 0.043 223.4)
-
Step 400
400
#70AAC0
oklch(70.6% 0.068 223.9)
-
Step 500
500
#4595B0
oklch(63.1% 0.088 223)
-
Step 600
600
#1E7F9C
oklch(55.6% 0.095 223.2)
-
Step 700
700
#0C6B85
oklch(49.1% 0.088 223.1)
-
Step 800
800
#11576C
oklch(42.6% 0.073 223.4)
-
Step 900
900
#184858
oklch(37.7% 0.058 223.7)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#ADD1DF 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) | #C9CFE0 | 0.035 |
| Deuteranopia (no green cones) | #C1C8DF | 0.033 |
| Tritanopia (no blue cones) | #9ED6D5 | 0.029 |
| Achromatopsia (no color) | #CBCBCB | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD1DF
#ADD1DF
oklch(83.9% 0.043 223.4)
- #E4C2B4
#E4C2B4
oklch(84% 0.043 43.6)
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 #ADD1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.025
- Celeste #A8DADC ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
Use #ADD1DF 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.