#55AD58
Closest named color: Dark Pastel Green (#56AE57). oklch(67.3% 0.148 144.4), rgb(85, 173, 88).
Aa
Black text reads best on this color (7.50:1).
About this color
#55AD58 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.148 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.004 away. Black text reads best on it, at 7.50:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #55AD58 |
| RGB | rgb(85, 173, 88) |
| HSL | hsl(122, 35%, 51%) |
| OKLCH | oklch(67.3% 0.148 144.4) |
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 #55AD58 | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #55AD58 | 7.50:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #55AD58 text on white | 2.79:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #55AD58 text on black | 7.50:1 | AAA | Lc -48.2 | 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
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9CD19B
oklch(81% 0.093 144.2)
-
Step 400
400 (this color)
#55AD58
oklch(67.3% 0.148 144.4)
-
Step 500
500
#21A531
oklch(63.1% 0.189 144.3)
-
Step 600
600
#008C1E
oklch(55.6% 0.178 144.3)
-
Step 700
700
#007618
oklch(49.1% 0.157 144.4)
-
Step 800
800
#006112
oklch(42.8% 0.137 144.4)
-
Step 900
900
#00510D
oklch(37.8% 0.121 144.3)
-
Step 950
950
#06300A
oklch(27.1% 0.078 144.5)
#55AD58 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) | #B09F51 | 0.112 |
| Deuteranopia (no green cones) | #A4975E | 0.111 |
| Tritanopia (no blue cones) | #48A999 | 0.091 |
| Achromatopsia (no color) | #9A9A9A | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AD58
#55AD58
oklch(67.3% 0.148 144.4)
- #C274C8
#C274C8
oklch(67.3% 0.147 324.5)
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 #55AD58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.004
- Fern #63A950 ΔE 0.015
- Algae #54AC68 ΔE 0.020
- Mid Green #50A747 ΔE 0.023
- Boring Green #63B365 ΔE 0.026
- Seaweed Green #35AD6B ΔE 0.028
- Jade Green #2BAF6A ΔE 0.028
- Medium Green #39AD48 ΔE 0.029
Use #55AD58 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.