#55AA5D
Closest named color: Algae (#54AC68). oklch(66.6% 0.139 145.7), rgb(85, 170, 93).
Aa
Black text reads best on this color (7.29:1).
About this color
#55AA5D is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.139 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.013 away. Black text reads best on it, at 7.29:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #55AA5D |
| RGB | rgb(85, 170, 93) |
| HSL | hsl(126, 33%, 50%) |
| OKLCH | oklch(66.6% 0.139 145.7) |
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 #55AA5D | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #55AA5D | 7.29:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #55AA5D text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #55AA5D text on black | 7.29:1 | AAA | Lc -47.0 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A5CDA7
oklch(80.9% 0.068 146.2)
-
Step 400
400
#73B377
oklch(70.8% 0.109 145.8)
-
Step 500
500 (this color)
#55AA5D
oklch(66.6% 0.139 145.7)
-
Step 600
600
#268936
oklch(55.5% 0.15 145.7)
-
Step 700
700
#167428
oklch(49% 0.14 145.7)
-
Step 800
800
#175F23
oklch(42.8% 0.116 145.8)
-
Step 900
900
#1B4E21
oklch(37.7% 0.091 145.6)
-
Step 950
950
#112E14
oklch(27.1% 0.059 145.8)
#55AA5D 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) | #AC9D57 | 0.107 |
| Deuteranopia (no green cones) | #A19562 | 0.107 |
| Tritanopia (no blue cones) | #47A697 | 0.083 |
| Achromatopsia (no color) | #989898 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AA5D
#55AA5D
oklch(66.6% 0.139 145.7)
- #BF74C2
#BF74C2
oklch(66.7% 0.139 325.6)
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 #55AA5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.013
- Dark Pastel Green #56AE57 ΔE 0.015
- Fern #63A950 ΔE 0.016
- Seaweed Green #35AD6B ΔE 0.023
- Mid Green #50A747 ΔE 0.025
- Off Green #6BA353 ΔE 0.025
- Jade Green #2BAF6A ΔE 0.027
- Muted Green #5FA052 ΔE 0.028
Use #55AA5D 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.