#55B960
Closest named color: Cool Green (#33B864). oklch(70.5% 0.157 145.8), rgb(85, 185, 96).
Aa
Black text reads best on this color (8.49:1).
About this color
#55B960 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.157 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.021 away. Black text reads best on it, at 8.49:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #55B960 |
| RGB | rgb(85, 185, 96) |
| HSL | hsl(127, 42%, 53%) |
| OKLCH | oklch(70.5% 0.157 145.8) |
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 #55B960 | 2.47:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #55B960 | 8.49:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #55B960 text on white | 2.47:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #55B960 text on black | 8.49:1 | AAA | Lc -53.7 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEEFDF
oklch(93.5% 0.028 147)
-
Step 200
200
#C3E3C4
oklch(88.4% 0.054 145.9)
-
Step 300
300
#97D29A
oklch(80.9% 0.099 145.8)
-
Step 400
400 (this color)
#55B960
oklch(70.5% 0.157 145.8)
-
Step 500
500
#00A633
oklch(63.1% 0.194 145.8)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#55B960 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) | #BCAA59 | 0.122 |
| Deuteranopia (no green cones) | #AEA166 | 0.120 |
| Tritanopia (no blue cones) | #43B5A4 | 0.094 |
| Achromatopsia (no color) | #A5A5A5 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B960
#55B960
oklch(70.5% 0.157 145.8)
- #D17AD4
#D17AD4
oklch(70.5% 0.157 325.9)
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 #55B960, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.021
- Boring Green #63B365 ΔE 0.023
- Dark Mint #48C072 ΔE 0.023
- Turtle Green #75B84F ΔE 0.029
- Dark Mint Green #20C073 ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.031
- Algae Green #21C36F ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.034
Use #55B960 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.