#ACD159
Closest named color: Pale Olive Green (#B1D27B). oklch(80.9% 0.153 124.1), rgb(172, 209, 89).
Aa
Black text reads best on this color (12.01:1).
About this color
#ACD159 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.153 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.036 away. Black text reads best on it, at 12.01:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 12.01:1 |
| White text | 1.74:1 |
Values
| HEX | #ACD159 |
| RGB | rgb(172, 209, 89) |
| HSL | hsl(78, 57%, 58%) |
| OKLCH | oklch(80.9% 0.153 124.1) |
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 #ACD159 | 1.74:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #ACD159 | 12.01:1 | AAA | Lc 72.1 | Content text, not long reading |
| #ACD159 text on white | 1.74:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #ACD159 text on black | 12.01:1 | AAA | Lc -71.0 | 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
#F2F8E9
oklch(97.1% 0.021 124.7)
-
Step 100
100
#E3EFCF
oklch(93.5% 0.044 124)
-
Step 200
200
#CDE3A5
oklch(88.4% 0.085 124)
-
Step 300
300 (this color)
#ACD159
oklch(80.9% 0.153 124.1)
-
Step 400
400
#8AB200
oklch(70.8% 0.176 124.2)
-
Step 500
500
#769800
oklch(63.1% 0.157 124)
-
Step 600
600
#628000
oklch(55.6% 0.139 124.4)
-
Step 700
700
#526B00
oklch(49% 0.122 124.1)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#374900
oklch(37.6% 0.094 124.1)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#ACD159 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) | #DCC54C | 0.067 |
| Deuteranopia (no green cones) | #D7C461 | 0.068 |
| Tritanopia (no blue cones) | #B3C8B7 | 0.125 |
| Achromatopsia (no color) | #C4C4C4 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACD159
#ACD159
oklch(80.9% 0.153 124.1)
- #D1ADFF
#D1ADFF
oklch(80.8% 0.119 304)
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 #ACD159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.036
- Yellow Green #9ACD32 ΔE 0.040
- Light Moss Green #A6C875 ΔE 0.043
- Greenish Tan #BCCB7A ΔE 0.049
- Slime Green #99CC04 ΔE 0.053
- Pale Olive #B9CC81 ΔE 0.053
- Greenish Beige #C9D179 ΔE 0.055
- Light Olive Green #A4BE5C ΔE 0.055
Use #ACD159 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.