#A3DA99
Closest named color: Hospital Green (#9BE5AA). oklch(83.4% 0.105 140.7), rgb(163, 218, 153).
Aa
Black text reads best on this color (13.04:1).
About this color
#A3DA99 is a light, moderately saturated green. In OKLCH its lightness is 83%, its chroma 0.105 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.030 away. Black text reads best on it, at 13.04:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 13.04:1 |
| White text | 1.60:1 |
Values
| HEX | #A3DA99 |
| RGB | rgb(163, 218, 153) |
| HSL | hsl(111, 47%, 73%) |
| OKLCH | oklch(83.4% 0.105 140.7) |
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 #A3DA99 | 1.60:1 | Fails | Lc -30.9 | Non-text elements, placeholder text |
| Black text on #A3DA99 | 13.04:1 | AAA | Lc 76.5 | Fine for body text |
| #A3DA99 text on white | 1.60:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #A3DA99 text on black | 13.04:1 | AAA | Lc -75.6 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#DFEFDC
oklch(93.5% 0.03 140.8)
-
Step 200
200
#C5E3BF
oklch(88.4% 0.058 140.4)
-
Step 300
300 (this color)
#A3DA99
oklch(83.4% 0.105 140.7)
-
Step 400
400
#5FB94F
oklch(70.6% 0.168 140.7)
-
Step 500
500
#2AA500
oklch(63.1% 0.206 140.7)
-
Step 600
600
#218B00
oklch(55.6% 0.182 140.7)
-
Step 700
700
#1B7500
oklch(49.1% 0.16 140.7)
-
Step 800
800
#146000
oklch(42.7% 0.14 140.7)
-
Step 900
900
#0F5000
oklch(37.7% 0.123 140.7)
-
Step 950
950
#063000
oklch(27% 0.088 140.7)
#A3DA99 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) | #DECF95 | 0.077 |
| Deuteranopia (no green cones) | #D5CA9C | 0.075 |
| Tritanopia (no blue cones) | #9FD6C9 | 0.069 |
| Achromatopsia (no color) | #CCCCCC | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DA99
#A3DA99
oklch(83.4% 0.105 140.7)
- #E8B2F3
#E8B2F3
oklch(83.4% 0.106 320.6)
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 #A3DA99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.030
- Light Grey Green #B7E1A1 ΔE 0.033
- Pale Olive Green #B1D27B ΔE 0.035
- Pale Olive #B9CC81 ΔE 0.042
- Greenish Tan #BCCB7A ΔE 0.048
- Light Teal #90E4C1 ΔE 0.050
- Greenish Beige #C9D179 ΔE 0.052
- Light Moss Green #A6C875 ΔE 0.053
Use #A3DA99 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.