#AACD59
Closest named color: Light Moss Green (#A6C875). oklch(79.9% 0.149 123.8), rgb(170, 205, 89).
Aa
Black text reads best on this color (11.58:1).
About this color
#AACD59 is a light, vivid yellow. In OKLCH its lightness is 80%, its chroma 0.149 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.036 away. Black text reads best on it, at 11.58:1.
| Hue family | Yellows |
| Lightness | light (80%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.58:1 |
| White text | 1.81:1 |
Values
| HEX | #AACD59 |
| RGB | rgb(170, 205, 89) |
| HSL | hsl(78, 54%, 58%) |
| OKLCH | oklch(79.9% 0.149 123.8) |
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 #AACD59 | 1.81:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #AACD59 | 11.58:1 | AAA | Lc 70.2 | Content text, not long reading |
| #AACD59 text on white | 1.81:1 | Fails | Lc 33.7 | Non-text elements, placeholder text |
| #AACD59 text on black | 11.58:1 | AAA | Lc -68.9 | 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
#E4EFD0
oklch(93.6% 0.043 123.1)
-
Step 200
200
#CEE3A7
oklch(88.5% 0.082 123.7)
-
Step 300
300 (this color)
#AACD59
oklch(79.9% 0.149 123.8)
-
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)
#AACD59 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) | #D8C14D | 0.065 |
| Deuteranopia (no green cones) | #D3C061 | 0.066 |
| Tritanopia (no blue cones) | #B1C4B4 | 0.122 |
| Achromatopsia (no color) | #C0C0C0 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACD59
#AACD59
oklch(79.9% 0.149 123.8)
- #CFA9FF
#CFA9FF
oklch(80% 0.125 304)
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 #AACD59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.036
- Pale Olive Green #B1D27B ΔE 0.037
- Yellow Green #9ACD32 ΔE 0.039
- Light Olive Green #A4BE5C ΔE 0.043
- Light Olive #ACBF69 ΔE 0.046
- Greenish Tan #BCCB7A ΔE 0.047
- Pea #A4BF20 ΔE 0.048
- Pale Olive #B9CC81 ΔE 0.051
Use #AACD59 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.