#A3FFD9
Closest named color: Light Aqua (#8CFFDB). oklch(93.2% 0.103 166.2), rgb(163, 255, 217).
Aa
Black text reads best on this color (17.86:1).
About this color
#A3FFD9 is a very light, moderately saturated green. In OKLCH its lightness is 93%, its chroma 0.103 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.020 away. Black text reads best on it, at 17.86:1.
| Hue family | Greens |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 17.86:1 |
| White text | 1.17:1 |
Values
| HEX | #A3FFD9 |
| RGB | rgb(163, 255, 217) |
| HSL | hsl(155, 100%, 82%) |
| OKLCH | oklch(93.2% 0.103 166.2) |
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 #A3FFD9 | 1.17:1 | Fails | Lc -9.8 | Not readable |
| Black text on #A3FFD9 | 17.86:1 | AAA | Lc 95.2 | Preferred for body text |
| #A3FFD9 text on white | 1.17:1 | Fails | Lc 8.3 | Not readable |
| #A3FFD9 text on black | 17.86:1 | AAA | Lc -96.0 | Preferred 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 100.
-
Step 50
50
#EBFAF3
oklch(97.2% 0.018 166.4)
-
Step 100
100 (this color)
#A3FFD9
oklch(93.2% 0.103 166.2)
-
Step 200
200
#ABE9CE
oklch(88.5% 0.073 166)
-
Step 300
300
#5CDCAD
oklch(81% 0.133 165.9)
-
Step 400
400
#00BD8C
oklch(70.8% 0.147 166.2)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#A3FFD9 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) | #FBF3D7 | 0.103 |
| Deuteranopia (no green cones) | #ECE8DB | 0.099 |
| Tritanopia (no blue cones) | #8BFFF4 | 0.039 |
| Achromatopsia (no color) | #EDEDED | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3FFD9
#A3FFD9
oklch(93.2% 0.103 166.2)
- #FFDEEE
#FFDEEE
oklch(93.2% 0.042 347.1)
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 #A3FFD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.020
- Aquamarine #7FFFD4 ΔE 0.033
- Light Seafoam #A0FEBF ΔE 0.034
- Pale Aqua #B8FFEB ΔE 0.035
- Light Mint #B6FFBB ΔE 0.040
- Light Aquamarine #7BFDC7 ΔE 0.045
- Celadon #BEFDB7 ΔE 0.046
- Light Seafoam Green #A7FFB5 ΔE 0.046
Use #A3FFD9 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.