#ADD4E0
Closest named color: Light Blue (#ADD8E6). oklch(84.6% 0.044 218.4), rgb(173, 212, 224).
Aa
Black text reads best on this color (13.27:1).
About this color
#ADD4E0 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.044 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.011 away. Black text reads best on it, at 13.27:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.27:1 |
| White text | 1.58:1 |
Values
| HEX | #ADD4E0 |
| RGB | rgb(173, 212, 224) |
| HSL | hsl(194, 45%, 78%) |
| OKLCH | oklch(84.6% 0.044 218.4) |
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 #ADD4E0 | 1.58:1 | Fails | Lc -29.9 | Dividers and decoration only |
| Black text on #ADD4E0 | 13.27:1 | AAA | Lc 77.3 | Fine for body text |
| #ADD4E0 text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #ADD4E0 text on black | 13.27:1 | AAA | Lc -76.6 | 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
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300 (this color)
#ADD4E0
oklch(84.6% 0.044 218.4)
-
Step 400
400
#6CACBE
oklch(70.8% 0.071 217.6)
-
Step 500
500
#3D96AE
oklch(63% 0.091 218.7)
-
Step 600
600
#09809A
oklch(55.5% 0.099 219.1)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#03586B
oklch(42.6% 0.076 219.3)
-
Step 900
900
#134957
oklch(37.8% 0.059 218.9)
-
Step 950
950
#0E2B33
oklch(27.1% 0.037 218.8)
#ADD4E0 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) | #CCD1E1 | 0.039 |
| Deuteranopia (no green cones) | #C4CBE0 | 0.035 |
| Tritanopia (no blue cones) | #9ED8D8 | 0.025 |
| Achromatopsia (no color) | #CDCDCD | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD4E0
#ADD4E0
oklch(84.6% 0.044 218.4)
- #E7C3B8
#E7C3B8
oklch(84.5% 0.044 37.7)
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 #ADD4E0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.011
- Celeste #A8DADC ΔE 0.019
- Powder Blue #B0E0E6 ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.032
- Cadet Gray #CED4DA ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.047
- Light Gray #D3D3D3 ΔE 0.049
Use #ADD4E0 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.