#55B04E
Closest named color: Dark Pastel Green (#56AE57). oklch(67.9% 0.161 142.3), rgb(85, 176, 78).
Aa
Black text reads best on this color (7.70:1).
About this color
#55B04E is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.161 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.013 away. Black text reads best on it, at 7.70:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #55B04E |
| RGB | rgb(85, 176, 78) |
| HSL | hsl(116, 39%, 50%) |
| OKLCH | oklch(67.9% 0.161 142.3) |
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 #55B04E | 2.72:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #55B04E | 7.70:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #55B04E text on white | 2.72:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #55B04E text on black | 7.70:1 | AAA | Lc -49.4 | 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 400.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#DFEFDD
oklch(93.5% 0.029 142.2)
-
Step 200
200
#C5E3C1
oklch(88.5% 0.056 141.9)
-
Step 300
300
#9BD295
oklch(81% 0.102 142.2)
-
Step 400
400 (this color)
#55B04E
oklch(67.9% 0.161 142.3)
-
Step 500
500
#1BA613
oklch(63.1% 0.206 142.3)
-
Step 600
600
#078C00
oklch(55.5% 0.188 142.3)
-
Step 700
700
#057600
oklch(49.1% 0.166 142.2)
-
Step 800
800
#036100
oklch(42.7% 0.145 142.3)
-
Step 900
900
#025100
oklch(37.7% 0.128 142.3)
-
Step 950
950
#053003
oklch(27% 0.085 142.1)
#55B04E 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) | #B4A245 | 0.116 |
| Deuteranopia (no green cones) | #A89A55 | 0.115 |
| Tritanopia (no blue cones) | #49AB9A | 0.104 |
| Achromatopsia (no color) | #9D9D9D | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B04E
#55B04E
oklch(67.9% 0.161 142.3)
- #C572D2
#C572D2
oklch(67.8% 0.162 322)
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 #55B04E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.013
- Fern #63A950 ΔE 0.023
- Medium Green #39AD48 ΔE 0.024
- Grass #5CAC2D ΔE 0.026
- Mid Green #50A747 ΔE 0.027
- Cool Green #33B864 ΔE 0.029
- Leaf #71AA34 ΔE 0.030
- Leafy Green #51B73B ΔE 0.030
Use #55B04E 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.