#55B05F
Closest named color: Dark Pastel Green (#56AE57). oklch(68.1% 0.145 146), rgb(85, 176, 95).
Aa
Black text reads best on this color (7.76:1).
About this color
#55B05F is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.145 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.009 away. Black text reads best on it, at 7.76:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.76:1 |
| White text | 2.70:1 |
Values
| HEX | #55B05F |
| RGB | rgb(85, 176, 95) |
| HSL | hsl(127, 37%, 51%) |
| OKLCH | oklch(68.1% 0.145 146) |
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 #55B05F | 2.70:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #55B05F | 7.76:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #55B05F text on white | 2.70:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #55B05F text on black | 7.76:1 | AAA | Lc -49.7 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E3C6
oklch(88.6% 0.05 146)
-
Step 300
300
#9BD19D
oklch(80.9% 0.092 145.6)
-
Step 400
400 (this color)
#55B05F
oklch(68.1% 0.145 146)
-
Step 500
500
#17A539
oklch(63.1% 0.186 145.9)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#04300C
oklch(27.1% 0.077 146)
#55B05F 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) | #B2A259 | 0.113 |
| Deuteranopia (no green cones) | #A69A64 | 0.112 |
| Tritanopia (no blue cones) | #45AC9D | 0.088 |
| Achromatopsia (no color) | #9D9D9D | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B05F
#55B05F
oklch(68.1% 0.145 146)
- #C676C8
#C676C8
oklch(68.1% 0.146 326.2)
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 #55B05F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.009
- Boring Green #63B365 ΔE 0.018
- Algae #54AC68 ΔE 0.018
- Fern #63A950 ΔE 0.022
- Medium Sea Green #3CB371 ΔE 0.023
- Cool Green #33B864 ΔE 0.027
- Jade Green #2BAF6A ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.027
Use #55B05F 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.