#ADD9E2
Closest named color: Light Blue (#ADD8E6). oklch(85.7% 0.048 211.5), rgb(173, 217, 226).
Aa
Black text reads best on this color (13.80:1).
About this color
#ADD9E2 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.048 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.007 away. Black text reads best on it, at 13.80:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.80:1 |
| White text | 1.52:1 |
Values
| HEX | #ADD9E2 |
| RGB | rgb(173, 217, 226) |
| HSL | hsl(190, 48%, 78%) |
| OKLCH | oklch(85.7% 0.048 211.5) |
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 #ADD9E2 | 1.52:1 | Fails | Lc -27.5 | Dividers and decoration only |
| Black text on #ADD9E2 | 13.80:1 | AAA | Lc 79.5 | Fine for body text |
| #ADD9E2 text on white | 1.52:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #ADD9E2 text on black | 13.80:1 | AAA | Lc -78.9 | 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 200.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DDEDF1
oklch(93.5% 0.018 214.4)
-
Step 200
200 (this color)
#ADD9E2
oklch(85.7% 0.048 211.5)
-
Step 300
300
#92CCD7
oklch(80.9% 0.061 210.6)
-
Step 400
400
#4AB1C3
oklch(70.7% 0.097 210.9)
-
Step 500
500
#009AAF
oklch(63% 0.11 211.6)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A55
oklch(37.5% 0.065 211.6)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#ADD9E2 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) | #D1D5E3 | 0.045 |
| Deuteranopia (no green cones) | #C8CEE2 | 0.042 |
| Tritanopia (no blue cones) | #9DDDDC | 0.024 |
| Achromatopsia (no color) | #D1D1D1 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD9E2
#ADD9E2
oklch(85.7% 0.048 211.5)
- #EEC5BD
#EEC5BD
oklch(85.7% 0.048 31)
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 #ADD9E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.007
- Celeste #A8DADC ΔE 0.012
- Powder Blue #B0E0E6 ΔE 0.019
- Cadet Gray #CED4DA ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.049
- Pale Turquoise #AFEEEE ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.055
Use #ADD9E2 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.