#A3C554
Closest named color: Light Olive Green (#A4BE5C). oklch(77.5% 0.146 123.8), rgb(163, 197, 84).
Aa
Black text reads best on this color (10.67:1).
About this color
#A3C554 is a medium-light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.146 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.023 away. Black text reads best on it, at 10.67:1.
| Hue family | Yellows |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.67:1 |
| White text | 1.96:1 |
Values
| HEX | #A3C554 |
| RGB | rgb(163, 197, 84) |
| HSL | hsl(78, 49%, 55%) |
| OKLCH | oklch(77.5% 0.146 123.8) |
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 #A3C554 | 1.96:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #A3C554 | 10.67:1 | AAA | Lc 66.1 | Content text, not long reading |
| #A3C554 text on white | 1.96:1 | Fails | Lc 37.8 | Non-text elements, placeholder text |
| #A3C554 text on black | 10.67:1 | AAA | Lc -64.6 | 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
#E4EFD1
oklch(93.6% 0.041 123.6)
-
Step 200
200
#CEE3A8
oklch(88.6% 0.081 123.9)
-
Step 300
300 (this color)
#A3C554
oklch(77.5% 0.146 123.8)
-
Step 400
400
#8BB100
oklch(70.6% 0.175 123.7)
-
Step 500
500
#779800
oklch(63.1% 0.156 123.6)
-
Step 600
600
#638000
oklch(55.7% 0.138 124)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#384900
oklch(37.7% 0.093 123.4)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#A3C554 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) | #CFBA48 | 0.062 |
| Deuteranopia (no green cones) | #CBB95B | 0.064 |
| Tritanopia (no blue cones) | #AABCAC | 0.119 |
| Achromatopsia (no color) | #B9B9B9 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C554
#A3C554
oklch(77.5% 0.146 123.8)
- #C99EFF
#C99EFF
oklch(77.5% 0.141 303.7)
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 #A3C554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.023
- Pea #A4BF20 ΔE 0.033
- Light Moss Green #A6C875 ΔE 0.034
- Light Olive #ACBF69 ΔE 0.034
- Yellow Green #9ACD32 ΔE 0.040
- Tan Green #A9BE70 ΔE 0.041
- Bright Olive #9CBB04 ΔE 0.046
- Mustard Green #A8B504 ΔE 0.049
Use #A3C554 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.