#5BB059
Closest named color: Dark Pastel Green (#56AE57). oklch(68.3% 0.148 143.3), rgb(91, 176, 89).
Aa
Black text reads best on this color (7.79:1).
About this color
#5BB059 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.148 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 0.008 away. Black text reads best on it, at 7.79:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.79:1 |
| White text | 2.69:1 |
Values
| HEX | #5BB059 |
| RGB | rgb(91, 176, 89) |
| HSL | hsl(119, 36%, 52%) |
| OKLCH | oklch(68.3% 0.148 143.3) |
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 #5BB059 | 2.69:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #5BB059 | 7.79:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #5BB059 text on white | 2.69:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #5BB059 text on black | 7.79:1 | AAA | Lc -49.9 | 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
#C6E2C4
oklch(88.4% 0.05 143.3)
-
Step 300
300
#9DD19A
oklch(81% 0.093 143.3)
-
Step 400
400 (this color)
#5BB059
oklch(68.3% 0.148 143.3)
-
Step 500
500
#29A42D
oklch(63% 0.189 143.3)
-
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
#025108
oklch(37.8% 0.123 143.4)
-
Step 950
950
#082F08
oklch(26.8% 0.078 143)
#5BB059 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) | #B3A252 | 0.110 |
| Deuteranopia (no green cones) | #A89B5F | 0.109 |
| Tritanopia (no blue cones) | #50AC9C | 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°).
- #5BB059
#5BB059
oklch(68.3% 0.148 143.3)
- #C577CD
#C577CD
oklch(68.3% 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 #5BB059, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.008
- Boring Green #63B365 ΔE 0.018
- Fern #63A950 ΔE 0.019
- Algae #54AC68 ΔE 0.024
- Asparagus #77AB56 ΔE 0.029
- Cool Green #33B864 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.030
- Mid Green #50A747 ΔE 0.032
Use #5BB059 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.