#ADD2D8
Closest named color: Celeste (#A8DADC). oklch(83.9% 0.04 208.4), rgb(173, 210, 216).
Aa
Black text reads best on this color (12.98:1).
About this color
#ADD2D8 is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.040 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.021 away. Black text reads best on it, at 12.98:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.98:1 |
| White text | 1.61:1 |
Values
| HEX | #ADD2D8 |
| RGB | rgb(173, 210, 216) |
| HSL | hsl(188, 36%, 76%) |
| OKLCH | oklch(83.9% 0.04 208.4) |
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 #ADD2D8 | 1.61:1 | Fails | Lc -31.2 | Non-text elements, placeholder text |
| Black text on #ADD2D8 | 12.98:1 | AAA | Lc 76.2 | Fine for body text |
| #ADD2D8 text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #ADD2D8 text on black | 12.98:1 | AAA | Lc -75.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DEE1
oklch(88.6% 0.023 207.1)
-
Step 300
300 (this color)
#ADD2D8
oklch(83.9% 0.04 208.4)
-
Step 400
400
#70ACB6
oklch(70.7% 0.064 209.1)
-
Step 500
500
#4497A4
oklch(63% 0.082 209.1)
-
Step 600
600
#1C818F
oklch(55.5% 0.089 209.2)
-
Step 700
700
#086D79
oklch(49% 0.082 208.4)
-
Step 800
800
#105963
oklch(42.7% 0.068 209)
-
Step 900
900
#184951
oklch(37.6% 0.053 210.1)
-
Step 950
950
#102B2F
oklch(27% 0.033 208.2)
#ADD2D8 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) | #CCCFD8 | 0.039 |
| Deuteranopia (no green cones) | #C4C9D8 | 0.036 |
| Tritanopia (no blue cones) | #A0D5D4 | 0.019 |
| Achromatopsia (no color) | #CBCBCB | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD2D8
#ADD2D8
oklch(83.9% 0.04 208.4)
- #E3C1BC
#E3C1BC
oklch(83.9% 0.04 27.8)
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 #ADD2D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.049
Use #ADD2D8 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.