#A3C159
Closest named color: Light Olive Green (#A4BE5C). oklch(76.7% 0.136 123), rgb(163, 193, 89).
Aa
Black text reads best on this color (10.32:1).
About this color
#A3C159 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.136 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.010 away. Black text reads best on it, at 10.32:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.32:1 |
| White text | 2.03:1 |
Values
| HEX | #A3C159 |
| RGB | rgb(163, 193, 89) |
| HSL | hsl(77, 46%, 55%) |
| OKLCH | oklch(76.7% 0.136 123) |
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 #A3C159 | 2.03:1 | Fails | Lc -44.0 | Non-text elements, placeholder text |
| Black text on #A3C159 | 10.32:1 | AAA | Lc 64.5 | Content text, not long reading |
| #A3C159 text on white | 2.03:1 | Fails | Lc 39.5 | Non-text elements, placeholder text |
| #A3C159 text on black | 10.32:1 | AAA | Lc -62.9 | 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
#F3F8EA
oklch(97.2% 0.019 122.8)
-
Step 100
100
#E5EFD2
oklch(93.7% 0.04 122.7)
-
Step 200
200
#CFE2AB
oklch(88.5% 0.075 123.4)
-
Step 300
300 (this color)
#A3C159
oklch(76.7% 0.136 123)
-
Step 400
400
#8DB100
oklch(70.8% 0.174 123)
-
Step 500
500
#789700
oklch(63% 0.154 123)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#445800
oklch(42.8% 0.106 123.5)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#A3C159 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) | #CBB74F | 0.057 |
| Deuteranopia (no green cones) | #C7B65F | 0.058 |
| Tritanopia (no blue cones) | #AAB9AA | 0.111 |
| Achromatopsia (no color) | #B6B6B6 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C159
#A3C159
oklch(76.7% 0.136 123)
- #C59DFA
#C59DFA
oklch(76.7% 0.136 303.1)
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 #A3C159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.010
- Light Olive #ACBF69 ΔE 0.024
- Tan Green #A9BE70 ΔE 0.031
- Light Moss Green #A6C875 ΔE 0.031
- Pea #A4BF20 ΔE 0.038
- Mustard Green #A8B504 ΔE 0.047
- Bright Olive #9CBB04 ΔE 0.048
- Olive Yellow #C2B709 ΔE 0.052
Use #A3C159 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.