#5BB359
Closest named color: Dark Pastel Green (#56AE57). oklch(69.1% 0.152 143.3), rgb(91, 179, 89).
Aa
Black text reads best on this color (8.03:1).
About this color
#5BB359 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.152 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.016 away. Black text reads best on it, at 8.03:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 8.03:1 |
| White text | 2.61:1 |
Values
| HEX | #5BB359 |
| RGB | rgb(91, 179, 89) |
| HSL | hsl(119, 37%, 53%) |
| OKLCH | oklch(69.1% 0.152 143.3) |
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 #5BB359 | 2.61:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #5BB359 | 8.03:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #5BB359 text on white | 2.61:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #5BB359 text on black | 8.03:1 | AAA | Lc -51.2 | 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
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C5E3C3
oklch(88.5% 0.054 143.4)
-
Step 300
300
#9CD199
oklch(80.9% 0.095 143.3)
-
Step 400
400 (this color)
#5BB359
oklch(69.1% 0.152 143.3)
-
Step 500
500
#22A528
oklch(63.1% 0.195 143.3)
-
Step 600
600
#008C11
oklch(55.5% 0.184 143.3)
-
Step 700
700
#00760D
oklch(49.1% 0.163 143.3)
-
Step 800
800
#006109
oklch(42.7% 0.141 143.3)
-
Step 900
900
#005106
oklch(37.7% 0.125 143.3)
-
Step 950
950
#063007
oklch(27.1% 0.081 143.3)
#5BB359 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) | #B6A551 | 0.112 |
| Deuteranopia (no green cones) | #AA9D5F | 0.111 |
| Tritanopia (no blue cones) | #4FAF9E | 0.095 |
| Achromatopsia (no color) | #A0A0A0 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB359
#5BB359
oklch(69.1% 0.152 143.3)
- #C878D1
#C878D1
oklch(69% 0.152 323.3)
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 #5BB359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.016
- Boring Green #63B365 ΔE 0.017
- Cool Green #33B864 ΔE 0.026
- Fern #63A950 ΔE 0.027
- Algae #54AC68 ΔE 0.031
- Turtle Green #75B84F ΔE 0.032
- Medium Sea Green #3CB371 ΔE 0.032
- Asparagus #77AB56 ΔE 0.033
Use #5BB359 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.