#5BB15A
Closest named color: Dark Pastel Green (#56AE57). oklch(68.6% 0.149 143.5), rgb(91, 177, 90).
Aa
Black text reads best on this color (7.88:1).
About this color
#5BB15A is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.149 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 0.010 away. Black text reads best on it, at 7.88:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #5BB15A |
| RGB | rgb(91, 177, 90) |
| HSL | hsl(119, 36%, 52%) |
| OKLCH | oklch(68.6% 0.149 143.5) |
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 #5BB15A | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #5BB15A | 7.88:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #5BB15A text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #5BB15A 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
#9DD19A
oklch(81% 0.093 143.3)
-
Step 400
400 (this color)
#5BB15A
oklch(68.6% 0.149 143.5)
-
Step 500
500
#27A52E
oklch(63.2% 0.19 143.5)
-
Step 600
600
#008C15
oklch(55.5% 0.183 143.5)
-
Step 700
700
#007610
oklch(49.1% 0.161 143.5)
-
Step 800
800
#00610B
oklch(42.7% 0.141 143.5)
-
Step 900
900
#005108
oklch(37.7% 0.124 143.6)
-
Step 950
950
#073009
oklch(27.2% 0.079 143.7)
#5BB15A 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) | #B4A353 | 0.110 |
| Deuteranopia (no green cones) | #A89B60 | 0.110 |
| Tritanopia (no blue cones) | #50AD9D | 0.093 |
| Achromatopsia (no color) | #9E9E9E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB15A
#5BB15A
oklch(68.6% 0.149 143.5)
- #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 #5BB15A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.010
- Boring Green #63B365 ΔE 0.016
- Fern #63A950 ΔE 0.022
- Algae #54AC68 ΔE 0.026
- Cool Green #33B864 ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.030
- Asparagus #77AB56 ΔE 0.030
- Mid Green #50A747 ΔE 0.035
Use #5BB15A 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.