#AAD33F
Closest named color: Yellow Green (#9ACD32). oklch(81% 0.176 123.9), rgb(170, 211, 63).
Aa
Black text reads best on this color (12.09:1).
About this color
#AAD33F is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.176 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 0.028 away. Black text reads best on it, at 12.09:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.09:1 |
| White text | 1.73:1 |
Values
| HEX | #AAD33F |
| RGB | rgb(170, 211, 63) |
| HSL | hsl(77, 63%, 54%) |
| OKLCH | oklch(81% 0.176 123.9) |
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 #AAD33F | 1.73:1 | Fails | Lc -35.2 | Non-text elements, placeholder text |
| Black text on #AAD33F | 12.09:1 | AAA | Lc 72.5 | Content text, not long reading |
| #AAD33F text on white | 1.73:1 | Fails | Lc 31.3 | Non-text elements, placeholder text |
| #AAD33F text on black | 12.09:1 | AAA | Lc -71.4 | 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
#F2F8E7
oklch(97% 0.023 122.7)
-
Step 100
100
#E3F0CB
oklch(93.6% 0.051 123.1)
-
Step 200
200
#CCE59C
oklch(88.6% 0.099 123.8)
-
Step 300
300 (this color)
#AAD33F
oklch(81% 0.176 123.9)
-
Step 400
400
#8BB100
oklch(70.6% 0.175 123.7)
-
Step 500
500
#769800
oklch(63.1% 0.157 124)
-
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)
#AAD33F 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) | #DFC626 | 0.074 |
| Deuteranopia (no green cones) | #D9C44C | 0.076 |
| Tritanopia (no blue cones) | #B2C9B6 | 0.145 |
| Achromatopsia (no color) | #C4C4C4 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD33F
#AAD33F
oklch(81% 0.176 123.9)
- #D1AEFF
#D1AEFF
oklch(81% 0.117 303.7)
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 #AAD33F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.028
- Slime Green #99CC04 ΔE 0.037
- Pea #A4BF20 ΔE 0.054
- Kiwi Green #8EE53F ΔE 0.054
- Pale Olive Green #B1D27B ΔE 0.058
- Fresh Green #69D84F ΔE 0.063
- Light Moss Green #A6C875 ΔE 0.065
- Apple Green #76CD26 ΔE 0.066
Use #AAD33F 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.