#AAD151
Closest named color: Yellow Green (#9ACD32). oklch(80.7% 0.161 124.3), rgb(170, 209, 81).
Aa
Black text reads best on this color (11.94:1).
About this color
#AAD151 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.161 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.033 away. Black text reads best on it, at 11.94:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #AAD151 |
| RGB | rgb(170, 209, 81) |
| HSL | hsl(78, 58%, 57%) |
| OKLCH | oklch(80.7% 0.161 124.3) |
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 #AAD151 | 1.75:1 | Fails | Lc -36.0 | Non-text elements, placeholder text |
| Black text on #AAD151 | 11.94:1 | AAA | Lc 71.8 | Content text, not long reading |
| #AAD151 text on white | 1.75:1 | Fails | Lc 32.0 | Non-text elements, placeholder text |
| #AAD151 text on black | 11.94:1 | AAA | Lc -70.7 | 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
#E3F0CE
oklch(93.7% 0.047 124.4)
-
Step 200
200
#CCE4A3
oklch(88.5% 0.089 124.6)
-
Step 300
300 (this color)
#AAD151
oklch(80.7% 0.161 124.3)
-
Step 400
400
#89B200
oklch(70.8% 0.177 124.5)
-
Step 500
500
#759800
oklch(63% 0.157 124.4)
-
Step 600
600
#628000
oklch(55.6% 0.139 124.4)
-
Step 700
700
#526C00
oklch(49.2% 0.123 124.5)
-
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
#1F2C00
oklch(27.1% 0.068 125.1)
#AAD151 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) | #DCC542 | 0.070 |
| Deuteranopia (no green cones) | #D7C35A | 0.072 |
| Tritanopia (no blue cones) | #B1C7B6 | 0.132 |
| Achromatopsia (no color) | #C3C3C3 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD151
#AAD151
oklch(80.7% 0.161 124.3)
- #D1ACFF
#D1ACFF
oklch(80.7% 0.121 304.3)
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 #AAD151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.033
- Pale Olive Green #B1D27B ΔE 0.044
- Slime Green #99CC04 ΔE 0.046
- Light Moss Green #A6C875 ΔE 0.049
- Pea #A4BF20 ΔE 0.052
- Greenish Tan #BCCB7A ΔE 0.057
- Light Olive Green #A4BE5C ΔE 0.057
- Light Olive #ACBF69 ΔE 0.061
Use #AAD151 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.