#5AA911
Closest named color: Leaf Green (#5CA904). oklch(65.8% 0.187 135), rgb(90, 169, 17).
Aa
Black text reads best on this color (7.11:1).
About this color
#5AA911 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.187 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.003 away. Black text reads best on it, at 7.11:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #5AA911 |
| RGB | rgb(90, 169, 17) |
| HSL | hsl(91, 82%, 36%) |
| OKLCH | oklch(65.8% 0.187 135) |
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 #5AA911 | 2.95:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #5AA911 | 7.11:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #5AA911 text on white | 2.95:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #5AA911 text on black | 7.11:1 | AAA | Lc -46.1 | Large or bold text, headings |
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 500.
-
Step 50
50
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E2EEDD
oklch(93.5% 0.026 136.3)
-
Step 200
200
#CBE1C0
oklch(88.5% 0.05 135.1)
-
Step 300
300
#A7CE92
oklch(80.8% 0.092 134.9)
-
Step 400
400
#77B451
oklch(70.6% 0.146 134.9)
-
Step 500
500 (this color)
#5AA911
oklch(65.8% 0.187 135)
-
Step 600
600
#458700
oklch(55.7% 0.163 134.9)
-
Step 700
700
#397100
oklch(49.1% 0.143 134.9)
-
Step 800
800
#2D5D00
oklch(42.7% 0.125 135.1)
-
Step 900
900
#254D00
oklch(37.6% 0.109 134.8)
-
Step 950
950
#142E01
oklch(27% 0.077 134.9)
#5AA911 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) | #B09A00 | 0.113 |
| Deuteranopia (no green cones) | #A59428 | 0.111 |
| Tritanopia (no blue cones) | #58A28F | 0.136 |
| Achromatopsia (no color) | #969696 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA911
#5AA911
oklch(65.8% 0.187 135)
- #BB67DF
#BB67DF
oklch(65.7% 0.188 314.7)
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 #5AA911, closest first.
No curated palette has a color within ΔE 0.04 of #5AA911.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.003
- Grass #5CAC2D ΔE 0.015
- Leaf #71AA34 ΔE 0.034
- Medium Green #39AD48 ΔE 0.035
- Mid Green #50A747 ΔE 0.036
- Leafy Green #51B73B ΔE 0.039
- Kelly Green #02AB2E ΔE 0.040
- Grassy Green #419C03 ΔE 0.046
Use #5AA911 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.