#A9C166
Closest named color: Light Olive (#ACBF69). oklch(77.3% 0.12 121.4), rgb(169, 193, 102).
Aa
Black text reads best on this color (10.50:1).
About this color
#A9C166 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.120 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.008 away. Black text reads best on it, at 10.50:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #A9C166 |
| RGB | rgb(169, 193, 102) |
| HSL | hsl(76, 42%, 58%) |
| OKLCH | oklch(77.3% 0.12 121.4) |
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 #A9C166 | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #A9C166 | 10.50:1 | AAA | Lc 65.3 | Content text, not long reading |
| #A9C166 text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #A9C166 text on black | 10.50:1 | AAA | Lc -63.7 | 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
#F3F7EC
oklch(97% 0.015 123)
-
Step 100
100
#E6EED4
oklch(93.6% 0.035 121)
-
Step 200
200
#D2E1B0
oklch(88.6% 0.067 121.6)
-
Step 300
300 (this color)
#A9C166
oklch(77.3% 0.12 121.4)
-
Step 400
400
#91B000
oklch(70.8% 0.171 121.5)
-
Step 500
500
#7C9600
oklch(63% 0.151 121.2)
-
Step 600
600
#687E00
oklch(55.5% 0.133 121.1)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3A4800
oklch(37.6% 0.091 121.4)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#A9C166 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) | #CBB85E | 0.049 |
| Deuteranopia (no green cones) | #C8B76B | 0.051 |
| Tritanopia (no blue cones) | #B0B9AC | 0.101 |
| Achromatopsia (no color) | #B7B7B7 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9C166
#A9C166
oklch(77.3% 0.12 121.4)
- #C3A2F6
#C3A2F6
oklch(77.2% 0.122 301.7)
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 #A9C166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.008
- Light Olive Green #A4BE5C ΔE 0.014
- Tan Green #A9BE70 ΔE 0.016
- Light Moss Green #A6C875 ΔE 0.020
- Dark Khaki #BDB76B ΔE 0.039
- Greenish Tan #BCCB7A ΔE 0.043
- Pale Olive #B9CC81 ΔE 0.045
- Pale Olive Green #B1D27B ΔE 0.048
Use #A9C166 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.