#5BB15B
Closest named color: Dark Pastel Green (#56AE57). oklch(68.6% 0.148 143.8), rgb(91, 177, 91).
Aa
Black text reads best on this color (7.88:1).
About this color
#5BB15B is a medium-light, vivid green. In OKLCH its lightness is 69%, 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 0.011 away. Black text reads best on it, at 7.88:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #5BB15B |
| RGB | rgb(91, 177, 91) |
| HSL | hsl(120, 36%, 53%) |
| OKLCH | oklch(68.6% 0.148 143.8) |
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 #5BB15B | 2.66:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #5BB15B | 7.88:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #5BB15B text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #5BB15B text on black | 7.88:1 | AAA | Lc -50.3 | 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
#C6E3C4
oklch(88.6% 0.052 143.4)
-
Step 300
300
#9DD19B
oklch(81% 0.092 143.8)
-
Step 400
400 (this color)
#5BB15B
oklch(68.6% 0.148 143.8)
-
Step 500
500
#27A52F
oklch(63.2% 0.189 143.7)
-
Step 600
600
#008C18
oklch(55.5% 0.181 143.8)
-
Step 700
700
#007612
oklch(49.1% 0.161 143.7)
-
Step 800
800
#00610D
oklch(42.7% 0.14 143.7)
-
Step 900
900
#005109
oklch(37.7% 0.123 143.7)
-
Step 950
950
#073009
oklch(27.2% 0.079 143.7)
#5BB15B 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) | #B4A354 | 0.110 |
| Deuteranopia (no green cones) | #A89B61 | 0.110 |
| Tritanopia (no blue cones) | #4FAD9D | 0.092 |
| Achromatopsia (no color) | #9E9E9E | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB15B
#5BB15B
oklch(68.6% 0.148 143.8)
- #C678CE
#C678CE
oklch(68.7% 0.148 323.6)
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 #5BB15B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.011
- Boring Green #63B365 ΔE 0.015
- Fern #63A950 ΔE 0.022
- Algae #54AC68 ΔE 0.025
- Cool Green #33B864 ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.029
- Asparagus #77AB56 ΔE 0.029
- Jade Green #2BAF6A ΔE 0.034
Use #5BB15B 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.