#5AA221
Closest named color: Leaf Green (#5CA904). oklch(64.1% 0.173 135), rgb(90, 162, 33).
Aa
Black text reads best on this color (6.62:1).
About this color
#5AA221 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.173 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 0.024 away. Black text reads best on it, at 6.62:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 6.62:1 |
| White text | 3.16:1 |
Values
| HEX | #5AA221 |
| RGB | rgb(90, 162, 33) |
| HSL | hsl(93, 66%, 38%) |
| OKLCH | oklch(64.1% 0.173 135) |
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 #5AA221 | 3.16:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #5AA221 | 6.62:1 | AA | Lc 45.5 | Large or bold text, headings |
| #5AA221 text on white | 3.16:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #5AA221 text on black | 6.62:1 | AA | Lc -43.2 | Non-text elements, placeholder text |
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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CCE1C2
oklch(88.6% 0.047 135.5)
-
Step 300
300
#A9CD96
oklch(80.8% 0.084 135)
-
Step 400
400
#7BB359
oklch(70.7% 0.135 134.9)
-
Step 500
500 (this color)
#5AA221
oklch(64.1% 0.173 135)
-
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
#162E05
oklch(27.1% 0.071 135)
#5AA221 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) | #A89400 | 0.103 |
| Deuteranopia (no green cones) | #9F8E30 | 0.105 |
| Tritanopia (no blue cones) | #589C8A | 0.125 |
| Achromatopsia (no color) | #919191 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA221
#5AA221
oklch(64.1% 0.173 135)
- #B366D3
#B366D3
oklch(64% 0.173 315.1)
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 #5AA221, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.024
- Mid Green #50A747 ΔE 0.028
- Grass #5CAC2D ΔE 0.028
- Grassy Green #419C03 ΔE 0.033
- Grass Green #3F9B0B ΔE 0.035
- Medium Green #39AD48 ΔE 0.037
- Leaf #71AA34 ΔE 0.038
- Fern #63A950 ΔE 0.042
Use #5AA221 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.