#A3C366
Closest named color: Light Olive Green (#A4BE5C). oklch(77.3% 0.126 124.9), rgb(163, 195, 102).
Aa
Black text reads best on this color (10.55:1).
About this color
#A3C366 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.126 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.014 away. Black text reads best on it, at 10.55:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.55:1 |
| White text | 1.98:1 |
Values
| HEX | #A3C366 |
| RGB | rgb(163, 195, 102) |
| HSL | hsl(81, 44%, 58%) |
| OKLCH | oklch(77.3% 0.126 124.9) |
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 #A3C366 | 1.98:1 | Fails | Lc -42.8 | Non-text elements, placeholder text |
| Black text on #A3C366 | 10.55:1 | AAA | Lc 65.5 | Content text, not long reading |
| #A3C366 text on white | 1.98:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #A3C366 text on black | 10.55:1 | AAA | Lc -64.0 | Content text, not long reading |
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
#F3F8EC
oklch(97.2% 0.017 125.3)
-
Step 100
100
#E4EFD4
oklch(93.7% 0.038 125.2)
-
Step 200
200
#CFE2B0
oklch(88.6% 0.069 124.7)
-
Step 300
300 (this color)
#A3C366
oklch(77.3% 0.126 124.9)
-
Step 400
400
#88B200
oklch(70.7% 0.177 124.8)
-
Step 500
500
#749900
oklch(63.2% 0.159 125)
-
Step 600
600
#618000
oklch(55.5% 0.139 124.8)
-
Step 700
700
#516C00
oklch(49.2% 0.123 125)
-
Step 800
800
#425800
oklch(42.6% 0.107 124.6)
-
Step 900
900
#364A00
oklch(37.8% 0.095 125.3)
-
Step 950
950
#1F2C00
oklch(27.1% 0.068 125.1)
#A3C366 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) | #CCB95E | 0.058 |
| Deuteranopia (no green cones) | #C7B76B | 0.059 |
| Tritanopia (no blue cones) | #A9BBAD | 0.102 |
| Achromatopsia (no color) | #B8B8B8 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C366
#A3C366
oklch(77.3% 0.126 124.9)
- #C8A0F5
#C8A0F5
oklch(77.3% 0.125 305.3)
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 #A3C366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.014
- Light Olive #ACBF69 ΔE 0.017
- Light Moss Green #A6C875 ΔE 0.019
- Tan Green #A9BE70 ΔE 0.022
- Greenish Tan #BCCB7A ΔE 0.046
- Pale Olive Green #B1D27B ΔE 0.047
- Dark Khaki #BDB76B ΔE 0.048
- Pale Olive #B9CC81 ΔE 0.048
Use #A3C366 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.