#ADD4DE
Closest named color: Light Blue (#ADD8E6). oklch(84.5% 0.043 215), rgb(173, 212, 222).
Aa
Black text reads best on this color (13.24:1).
About this color
#ADD4DE is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.043 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.013 away. Black text reads best on it, at 13.24:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.24:1 |
| White text | 1.58:1 |
Values
| HEX | #ADD4DE |
| RGB | rgb(173, 212, 222) |
| HSL | hsl(192, 43%, 77%) |
| OKLCH | oklch(84.5% 0.043 215) |
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 #ADD4DE | 1.58:1 | Fails | Lc -30.0 | Dividers and decoration only |
| Black text on #ADD4DE | 13.24:1 | AAA | Lc 77.3 | Fine for body text |
| #ADD4DE text on white | 1.58:1 | Fails | Lc 26.5 | Dividers and decoration only |
| #ADD4DE text on black | 13.24:1 | AAA | Lc -76.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE3
oklch(88.6% 0.024 212.9)
-
Step 300
300 (this color)
#ADD4DE
oklch(84.5% 0.043 215)
-
Step 400
400
#6CACBC
oklch(70.7% 0.069 215.4)
-
Step 500
500
#3E97AB
oklch(63.1% 0.089 215.1)
-
Step 600
600
#0A8196
oklch(55.6% 0.096 214.7)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#045968
oklch(42.7% 0.074 214.5)
-
Step 900
900
#134955
oklch(37.7% 0.058 215.8)
-
Step 950
950
#0E2B32
oklch(27.1% 0.037 216.1)
#ADD4DE 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) | #CCD1DF | 0.039 |
| Deuteranopia (no green cones) | #C4CBDE | 0.036 |
| Tritanopia (no blue cones) | #9ED8D7 | 0.024 |
| Achromatopsia (no color) | #CDCDCD | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD4DE
#ADD4DE
oklch(84.5% 0.043 215)
- #E7C3B9
#E7C3B9
oklch(84.5% 0.044 36)
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 #ADD4DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.013
- Celeste #A8DADC ΔE 0.018
- Powder Blue #B0E0E6 ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.033
- Cadet Gray #CED4DA ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.047
- Light Gray #D3D3D3 ΔE 0.048
Use #ADD4DE 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.