#55A643
Closest named color: Mid Green (#50A747). oklch(65.2% 0.157 140.1), rgb(85, 166, 67).
Aa
Black text reads best on this color (6.92:1).
About this color
#55A643 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.157 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 0.005 away. Black text reads best on it, at 6.92:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #55A643 |
| RGB | rgb(85, 166, 67) |
| HSL | hsl(109, 42%, 46%) |
| OKLCH | oklch(65.2% 0.157 140.1) |
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 #55A643 | 3.03:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #55A643 | 6.92:1 | AA | Lc 47.2 | Large or bold text, headings |
| #55A643 text on white | 3.03:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #55A643 text on black | 6.92:1 | AA | Lc -44.9 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A7CD9E
oklch(80.8% 0.076 139.7)
-
Step 400
400
#75B368
oklch(70.6% 0.123 140.2)
-
Step 500
500 (this color)
#55A643
oklch(65.2% 0.157 140.1)
-
Step 600
600
#2E8A12
oklch(55.7% 0.171 140.1)
-
Step 700
700
#1F7500
oklch(49.2% 0.159 140.2)
-
Step 800
800
#1D5F09
oklch(42.7% 0.131 140.1)
-
Step 900
900
#1E4E13
oklch(37.7% 0.103 140.2)
-
Step 950
950
#132E0D
oklch(27.1% 0.065 140.1)
#55A643 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) | #AA9839 | 0.108 |
| Deuteranopia (no green cones) | #9F914B | 0.108 |
| Tritanopia (no blue cones) | #4DA191 | 0.106 |
| Achromatopsia (no color) | #949494 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A643
#55A643
oklch(65.2% 0.157 140.1)
- #B96CCA
#B96CCA
oklch(65.1% 0.157 320.2)
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 #55A643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.005
- Fern #63A950 ΔE 0.022
- Medium Green #39AD48 ΔE 0.025
- Dark Pastel Green #56AE57 ΔE 0.027
- Grass #5CAC2D ΔE 0.028
- Muted Green #5FA052 ΔE 0.029
- Off Green #6BA353 ΔE 0.033
- Leaf #71AA34 ΔE 0.033
Use #55A643 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.