#55AA3C
Closest named color: Grass (#5CAC2D). oklch(66.1% 0.168 139.3), rgb(85, 170, 60).
Aa
Black text reads best on this color (7.20:1).
About this color
#55AA3C is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.168 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.014 away. Black text reads best on it, at 7.20:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #55AA3C |
| RGB | rgb(85, 170, 60) |
| HSL | hsl(106, 48%, 45%) |
| OKLCH | oklch(66.1% 0.168 139.3) |
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 #55AA3C | 2.91:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #55AA3C | 7.20:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #55AA3C text on white | 2.91:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #55AA3C text on black | 7.20:1 | AAA | Lc -46.5 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CAE1C4
oklch(88.5% 0.046 139.2)
-
Step 300
300
#A5CE9B
oklch(80.9% 0.083 139.6)
-
Step 400
400
#73B462
oklch(70.6% 0.132 139.4)
-
Step 500
500 (this color)
#55AA3C
oklch(66.1% 0.168 139.3)
-
Step 600
600
#2E8A00
oklch(55.7% 0.176 139.3)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1D5F00
oklch(42.7% 0.135 139.3)
-
Step 900
900
#1C4E0B
oklch(37.5% 0.109 139.4)
-
Step 950
950
#122E0A
oklch(27% 0.069 139.4)
#55AA3C 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) | #AF9C2E | 0.112 |
| Deuteranopia (no green cones) | #A49445 | 0.114 |
| Tritanopia (no blue cones) | #4DA493 | 0.115 |
| Achromatopsia (no color) | #979797 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AA3C
#55AA3C
oklch(66.1% 0.168 139.3)
- #BE6CD3
#BE6CD3
oklch(66.2% 0.169 319.2)
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 #55AA3C, closest first.
No curated palette has a color within ΔE 0.04 of #55AA3C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.014
- Mid Green #50A747 ΔE 0.015
- Medium Green #39AD48 ΔE 0.019
- Leaf Green #5CA904 ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.027
- Fern #63A950 ΔE 0.027
- Leaf #71AA34 ΔE 0.027
- Leafy Green #51B73B ΔE 0.038
Use #55AA3C 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.