#55AA4E
Closest named color: Mid Green (#50A747). oklch(66.3% 0.153 142.2), rgb(85, 170, 78).
Aa
Black text reads best on this color (7.24:1).
About this color
#55AA4E is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.153 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.012 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #55AA4E |
| RGB | rgb(85, 170, 78) |
| HSL | hsl(115, 37%, 49%) |
| OKLCH | oklch(66.3% 0.153 142.2) |
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 #55AA4E | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #55AA4E | 7.24:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #55AA4E text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #55AA4E text on black | 7.24:1 | AAA | Lc -46.8 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE1C7
oklch(88.6% 0.043 142)
-
Step 300
300
#A5CDA1
oklch(80.8% 0.074 142.5)
-
Step 400
400
#73B36D
oklch(70.6% 0.119 142.3)
-
Step 500
500 (this color)
#55AA4E
oklch(66.3% 0.153 142.2)
-
Step 600
600
#278A21
oklch(55.6% 0.167 142.3)
-
Step 700
700
#187512
oklch(49.1% 0.155 142.2)
-
Step 800
800
#185F14
oklch(42.6% 0.128 142.3)
-
Step 900
900
#1C4E18
oklch(37.7% 0.1 142.1)
-
Step 950
950
#122E0F
oklch(27% 0.064 141.8)
#55AA4E 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) | #AE9C46 | 0.111 |
| Deuteranopia (no green cones) | #A29555 | 0.109 |
| Tritanopia (no blue cones) | #4BA595 | 0.099 |
| Achromatopsia (no color) | #989898 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AA4E
#55AA4E
oklch(66.3% 0.153 142.2)
- #BE70CA
#BE70CA
oklch(66.3% 0.153 322.1)
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 #55AA4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.012
- Dark Pastel Green #56AE57 ΔE 0.013
- Fern #63A950 ΔE 0.014
- Medium Green #39AD48 ΔE 0.024
- Algae #54AC68 ΔE 0.029
- Grass #5CAC2D ΔE 0.030
- Off Green #6BA353 ΔE 0.030
- Leaf #71AA34 ΔE 0.031
Use #55AA4E 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.