#AED503
Closest named color: Yellow Green (#9ACD32). oklch(81.5% 0.197 122), rgb(174, 213, 3).
Aa
Black text reads best on this color (12.31:1).
About this color
#AED503 is a light, vivid yellow. In OKLCH its lightness is 82%, its chroma 0.197 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.037 away. Black text reads best on it, at 12.31:1.
| Hue family | Yellows |
| Lightness | light (82%) |
| Chroma | vivid (0.197) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #AED503 |
| RGB | rgb(174, 213, 3) |
| HSL | hsl(71, 97%, 42%) |
| OKLCH | oklch(81.5% 0.197 122) |
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 #AED503 | 1.70:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #AED503 | 12.31:1 | AAA | Lc 73.5 | Content text, not long reading |
| #AED503 text on white | 1.70:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #AED503 text on black | 12.31:1 | AAA | Lc -72.5 | 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
#F2F9E5
oklch(97.1% 0.027 122.7)
-
Step 100
100
#E3F1C7
oklch(93.7% 0.057 122.5)
-
Step 200
200
#CDE592
oklch(88.5% 0.11 121.8)
-
Step 300
300 (this color)
#AED503
oklch(81.5% 0.197 122)
-
Step 400
400
#8FB000
oklch(70.7% 0.172 122.1)
-
Step 500
500
#7A9700
oklch(63.1% 0.154 122.2)
-
Step 600
600
#667F00
oklch(55.6% 0.135 122.3)
-
Step 700
700
#566A00
oklch(49% 0.118 121.7)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3A4900
oklch(37.9% 0.092 122)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#AED503 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) | #E3C700 | 0.079 |
| Deuteranopia (no green cones) | #DEC62B | 0.078 |
| Tritanopia (no blue cones) | #B8C9B5 | 0.166 |
| Achromatopsia (no color) | #C6C6C6 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AED503
#AED503
oklch(81.5% 0.197 122)
- #D0B1FF
#D0B1FF
oklch(81.5% 0.112 302.2)
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 #AED503, closest first.
No curated palette has a color within ΔE 0.04 of #AED503.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.037
- Slime Green #99CC04 ΔE 0.037
- Kiwi Green #8EE53F ΔE 0.048
- Pea #A4BF20 ΔE 0.063
- Kiwi #9CEF43 ΔE 0.066
- Apple Green #76CD26 ΔE 0.068
- Fresh Green #69D84F ΔE 0.068
- Toxic Green #61DE2A ΔE 0.074
Use #AED503 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.