#5BB15E
Closest named color: Dark Pastel Green (#56AE57). oklch(68.6% 0.145 144.5), rgb(91, 177, 94).
Aa
Black text reads best on this color (7.89:1).
About this color
#5BB15E is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.145 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 0.012 away. Black text reads best on it, at 7.89:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #5BB15E |
| RGB | rgb(91, 177, 94) |
| HSL | hsl(122, 36%, 53%) |
| OKLCH | oklch(68.6% 0.145 144.5) |
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 #5BB15E | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #5BB15E | 7.89:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #5BB15E text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #5BB15E text on black | 7.89:1 | AAA | Lc -50.4 | 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
#C6E2C5
oklch(88.4% 0.049 144.2)
-
Step 300
300
#9DD09C
oklch(80.8% 0.09 144.2)
-
Step 400
400 (this color)
#5BB15E
oklch(68.6% 0.145 144.5)
-
Step 500
500
#26A435
oklch(63% 0.184 144.5)
-
Step 600
600
#008C1F
oklch(55.6% 0.178 144.4)
-
Step 700
700
#007619
oklch(49.1% 0.157 144.5)
-
Step 800
800
#006113
oklch(42.8% 0.136 144.5)
-
Step 900
900
#00510E
oklch(37.8% 0.121 144.5)
-
Step 950
950
#072F0B
oklch(26.8% 0.075 144.6)
#5BB15E 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) | #B4A457 | 0.109 |
| Deuteranopia (no green cones) | #A89C63 | 0.108 |
| Tritanopia (no blue cones) | #4FAD9D | 0.089 |
| Achromatopsia (no color) | #9F9F9F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB15E
#5BB15E
oklch(68.6% 0.145 144.5)
- #C679CC
#C679CC
oklch(68.7% 0.144 324.4)
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 #5BB15E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.012
- Boring Green #63B365 ΔE 0.013
- Algae #54AC68 ΔE 0.022
- Fern #63A950 ΔE 0.023
- Medium Sea Green #3CB371 ΔE 0.027
- Cool Green #33B864 ΔE 0.029
- Asparagus #77AB56 ΔE 0.029
- Jade Green #2BAF6A ΔE 0.033
Use #5BB15E 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.