#5BAC57
Closest named color: Dark Pastel Green (#56AE57). oklch(67.3% 0.144 142.9), rgb(91, 172, 87).
Aa
Black text reads best on this color (7.48:1).
About this color
#5BAC57 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.144 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 0.007 away. Black text reads best on it, at 7.48:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #5BAC57 |
| RGB | rgb(91, 172, 87) |
| HSL | hsl(117, 34%, 51%) |
| OKLCH | oklch(67.3% 0.144 142.9) |
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 #5BAC57 | 2.80:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #5BAC57 | 7.48:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #5BAC57 text on white | 2.80:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #5BAC57 text on black | 7.48:1 | AAA | Lc -48.1 | 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
#C7E2C4
oklch(88.5% 0.05 142.4)
-
Step 300
300
#9FD09B
oklch(80.9% 0.089 142.8)
-
Step 400
400 (this color)
#5BAC57
oklch(67.3% 0.144 142.9)
-
Step 500
500
#31A430
oklch(63.2% 0.184 142.9)
-
Step 600
600
#008C09
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800
#006104
oklch(42.7% 0.144 142.9)
-
Step 900
900
#08500A
oklch(37.6% 0.12 143)
-
Step 950
950
#0A2F09
oklch(26.9% 0.076 142.7)
#5BAC57 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) | #AF9F50 | 0.105 |
| Deuteranopia (no green cones) | #A4975D | 0.106 |
| Tritanopia (no blue cones) | #51A898 | 0.091 |
| Achromatopsia (no color) | #9A9A9A | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BAC57
#5BAC57
oklch(67.3% 0.144 142.9)
- #C075C9
#C075C9
oklch(67.3% 0.145 323.1)
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 #5BAC57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.007
- Fern #63A950 ΔE 0.010
- Algae #54AC68 ΔE 0.020
- Mid Green #50A747 ΔE 0.024
- Boring Green #63B365 ΔE 0.025
- Off Green #6BA353 ΔE 0.027
- Asparagus #77AB56 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.031
Use #5BAC57 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.