#5BB158
Closest named color: Dark Pastel Green (#56AE57). oklch(68.5% 0.15 143.1), rgb(91, 177, 88).
Aa
Black text reads best on this color (7.87:1).
About this color
#5BB158 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.150 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 0.010 away. Black text reads best on it, at 7.87:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #5BB158 |
| RGB | rgb(91, 177, 88) |
| HSL | hsl(118, 36%, 52%) |
| OKLCH | oklch(68.5% 0.15 143.1) |
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 #5BB158 | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #5BB158 | 7.87:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #5BB158 text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #5BB158 text on black | 7.87:1 | AAA | Lc -50.3 | 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
#9DD199
oklch(81% 0.094 142.9)
-
Step 400
400 (this color)
#5BB158
oklch(68.5% 0.15 143.1)
-
Step 500
500
#27A52A
oklch(63.2% 0.192 143.1)
-
Step 600
600
#008C0E
oklch(55.5% 0.185 143.1)
-
Step 700
700
#00760A
oklch(49.1% 0.164 143.1)
-
Step 800
800
#006106
oklch(42.7% 0.143 143.1)
-
Step 900
900
#015105
oklch(37.7% 0.125 143.1)
-
Step 950
950
#073007
oklch(27.1% 0.081 143)
#5BB158 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) | #B4A350 | 0.110 |
| Deuteranopia (no green cones) | #A99B5E | 0.111 |
| Tritanopia (no blue cones) | #50AD9C | 0.094 |
| Achromatopsia (no color) | #9E9E9E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB158
#5BB158
oklch(68.5% 0.15 143.1)
- #C677CF
#C677CF
oklch(68.5% 0.151 323.3)
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 #5BB158, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.010
- Boring Green #63B365 ΔE 0.018
- Fern #63A950 ΔE 0.022
- Algae #54AC68 ΔE 0.028
- Cool Green #33B864 ΔE 0.028
- Asparagus #77AB56 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.031
- Leaf #71AA34 ΔE 0.034
Use #5BB158 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.