#5BB055
Closest named color: Dark Pastel Green (#56AE57). oklch(68.2% 0.152 142.4), rgb(91, 176, 85).
Aa
Black text reads best on this color (7.78:1).
About this color
#5BB055 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.152 and its hue 142°. 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 7.78:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.78:1 |
| White text | 2.69:1 |
Values
| HEX | #5BB055 |
| RGB | rgb(91, 176, 85) |
| HSL | hsl(116, 37%, 51%) |
| OKLCH | oklch(68.2% 0.152 142.4) |
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 #5BB055 | 2.69:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #5BB055 | 7.78:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #5BB055 text on white | 2.69:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #5BB055 text on black | 7.78:1 | AAA | Lc -49.8 | 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
#C6E3C3
oklch(88.6% 0.053 142.6)
-
Step 300
300
#9DD198
oklch(81% 0.096 142.5)
-
Step 400
400 (this color)
#5BB055
oklch(68.2% 0.152 142.4)
-
Step 500
500
#2AA525
oklch(63.2% 0.194 142.4)
-
Step 600
600
#028C00
oklch(55.5% 0.188 142.4)
-
Step 700
700
#017600
oklch(49% 0.167 142.4)
-
Step 800
800
#016100
oklch(42.7% 0.145 142.4)
-
Step 900
900
#025102
oklch(37.7% 0.127 142.5)
-
Step 950
950
#083006
oklch(27.2% 0.081 142.2)
#5BB055 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) | #B4A24D | 0.111 |
| Deuteranopia (no green cones) | #A89B5B | 0.109 |
| Tritanopia (no blue cones) | #51AB9B | 0.098 |
| Achromatopsia (no color) | #9D9D9D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB055
#5BB055
oklch(68.2% 0.152 142.4)
- #C476D0
#C476D0
oklch(68.2% 0.152 322.1)
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 #5BB055, 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
- Fern #63A950 ΔE 0.019
- Boring Green #63B365 ΔE 0.021
- Algae #54AC68 ΔE 0.028
- Cool Green #33B864 ΔE 0.030
- Mid Green #50A747 ΔE 0.030
- Asparagus #77AB56 ΔE 0.030
- Leaf #71AA34 ΔE 0.031
Use #5BB055 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.