#A3C855
Closest named color: Light Olive Green (#A4BE5C). oklch(78.2% 0.149 124.7), rgb(163, 200, 85).
Aa
Black text reads best on this color (10.95:1).
About this color
#A3C855 is a light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.149 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 0.030 away. Black text reads best on it, at 10.95:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.95:1 |
| White text | 1.91:1 |
Values
| HEX | #A3C855 |
| RGB | rgb(163, 200, 85) |
| HSL | hsl(79, 51%, 56%) |
| OKLCH | oklch(78.2% 0.149 124.7) |
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 #A3C855 | 1.91:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #A3C855 | 10.95:1 | AAA | Lc 67.4 | Content text, not long reading |
| #A3C855 text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #A3C855 text on black | 10.95:1 | AAA | Lc -65.9 | 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
#F2F8EA
oklch(97.1% 0.019 125.8)
-
Step 100
100
#E3EFD0
oklch(93.5% 0.043 124.5)
-
Step 200
200
#CDE3A7
oklch(88.5% 0.083 124.4)
-
Step 300
300 (this color)
#A3C855
oklch(78.2% 0.149 124.7)
-
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
#364900
oklch(37.5% 0.094 124.8)
-
Step 950
950
#1F2C00
oklch(27.1% 0.068 125.1)
#A3C855 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) | #D2BC49 | 0.067 |
| Deuteranopia (no green cones) | #CDBB5D | 0.068 |
| Tritanopia (no blue cones) | #A9BFAF | 0.121 |
| Achromatopsia (no color) | #BBBBBB | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C855
#A3C855
oklch(78.2% 0.149 124.7)
- #CCA0FF
#CCA0FF
oklch(78.1% 0.139 304.7)
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 #A3C855, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.030
- Light Moss Green #A6C875 ΔE 0.034
- Yellow Green #9ACD32 ΔE 0.036
- Pea #A4BF20 ΔE 0.036
- Light Olive #ACBF69 ΔE 0.039
- Tan Green #A9BE70 ΔE 0.046
- Pale Olive Green #B1D27B ΔE 0.048
- Slime Green #99CC04 ΔE 0.049
Use #A3C855 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.