#55A342
Closest named color: Mid Green (#50A747). oklch(64.4% 0.154 139.8), rgb(85, 163, 66).
Aa
Black text reads best on this color (6.70:1).
About this color
#55A342 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.154 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.011 away. Black text reads best on it, at 6.70:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.70:1 |
| White text | 3.13:1 |
Values
| HEX | #55A342 |
| RGB | rgb(85, 163, 66) |
| HSL | hsl(108, 42%, 45%) |
| OKLCH | oklch(64.4% 0.154 139.8) |
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 #55A342 | 3.13:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #55A342 | 6.70:1 | AA | Lc 45.9 | Large or bold text, headings |
| #55A342 text on white | 3.13:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #55A342 text on black | 6.70:1 | AA | Lc -43.6 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CBE0C6
oklch(88.4% 0.042 139.7)
-
Step 300
300
#A7CD9F
oklch(80.9% 0.075 140.2)
-
Step 400
400
#77B369
oklch(70.7% 0.121 139.8)
-
Step 500
500 (this color)
#55A342
oklch(64.4% 0.154 139.8)
-
Step 600
600
#328916
oklch(55.6% 0.167 139.7)
-
Step 700
700
#237403
oklch(49.1% 0.156 139.8)
-
Step 800
800
#1F5F0B
oklch(42.8% 0.13 139.9)
-
Step 900
900
#204E14
oklch(37.8% 0.101 139.8)
-
Step 950
950
#142E0E
oklch(27.1% 0.064 140)
#55A342 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) | #A79638 | 0.104 |
| Deuteranopia (no green cones) | #9D8F49 | 0.105 |
| Tritanopia (no blue cones) | #4E9E8E | 0.104 |
| Achromatopsia (no color) | #919191 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A342
#55A342
oklch(64.4% 0.154 139.8)
- #B56BC7
#B56BC7
oklch(64.4% 0.153 319.6)
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 #55A342, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.011
- Muted Green #5FA052 ΔE 0.025
- Fern #63A950 ΔE 0.027
- Flat Green #699D4C ΔE 0.031
- Medium Green #39AD48 ΔE 0.031
- Off Green #6BA353 ΔE 0.032
- Dark Pastel Green #56AE57 ΔE 0.034
- Grass #5CAC2D ΔE 0.035
Use #55A342 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.