#55A556
Closest named color: Muted Green (#5FA052). oklch(65.2% 0.138 144), rgb(85, 165, 86).
Aa
Black text reads best on this color (6.90:1).
About this color
#55A556 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.138 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.015 away. Black text reads best on it, at 6.90:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #55A556 |
| RGB | rgb(85, 165, 86) |
| HSL | hsl(121, 32%, 49%) |
| OKLCH | oklch(65.2% 0.138 144) |
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 #55A556 | 3.04:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #55A556 | 6.90:1 | AA | Lc 47.0 | Large or bold text, headings |
| #55A556 text on white | 3.04:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #55A556 text on black | 6.90:1 | AA | Lc -44.8 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE2
oklch(93.5% 0.019 145.4)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A7CDA5
oklch(81% 0.069 143.6)
-
Step 400
400
#76B275
oklch(70.7% 0.107 144)
-
Step 500
500 (this color)
#55A556
oklch(65.2% 0.138 144)
-
Step 600
600
#2D8932
oklch(55.7% 0.151 144)
-
Step 700
700
#1F7425
oklch(49.2% 0.14 144)
-
Step 800
800
#1C5E20
oklch(42.6% 0.115 144.1)
-
Step 900
900
#1E4D20
oklch(37.6% 0.089 144.3)
-
Step 950
950
#132D13
oklch(26.8% 0.057 143.8)
#55A556 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) | #A89850 | 0.104 |
| Deuteranopia (no green cones) | #9D915B | 0.103 |
| Tritanopia (no blue cones) | #4AA192 | 0.086 |
| Achromatopsia (no color) | #949494 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A556
#55A556
oklch(65.2% 0.138 144)
- #B870BF
#B870BF
oklch(65.1% 0.138 323.8)
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 #55A556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.015
- Mid Green #50A747 ΔE 0.020
- Fern #63A950 ΔE 0.020
- Off Green #6BA353 ΔE 0.021
- Algae #54AC68 ΔE 0.025
- Flat Green #699D4C ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.026
- Seaweed Green #35AD6B ΔE 0.030
Use #55A556 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.