#5BB388
Closest named color: Tea (#65AB7C). oklch(70% 0.107 160.6), rgb(91, 179, 136).
Aa
Black text reads best on this color (8.24:1).
About this color
#5BB388 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.107 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.023 away. Black text reads best on it, at 8.24:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #5BB388 |
| RGB | rgb(91, 179, 136) |
| HSL | hsl(151, 37%, 53%) |
| OKLCH | oklch(70% 0.107 160.6) |
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 #5BB388 | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #5BB388 | 8.24:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #5BB388 text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #5BB388 text on black | 8.24:1 | AAA | Lc -52.3 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C5E1D1
oklch(88.5% 0.037 160.5)
-
Step 300
300
#9BCFB2
oklch(81% 0.068 160)
-
Step 400
400 (this color)
#5BB388
oklch(70% 0.107 160.6)
-
Step 500
500
#15A26D
oklch(63.1% 0.137 160.6)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3D
oklch(42.9% 0.096 160.4)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#042F1D
oklch(27.1% 0.057 160.4)
#5BB388 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) | #B1A886 | 0.102 |
| Deuteranopia (no green cones) | #A49E8B | 0.100 |
| Tritanopia (no blue cones) | #41B2A7 | 0.047 |
| Achromatopsia (no color) | #A2A2A2 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB388
#5BB388
oklch(70% 0.107 160.6)
- #CB83B3
#CB83B3
oklch(69.9% 0.108 340.2)
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 #5BB388, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.023
- Greeny Blue #42B395 ΔE 0.023
- Faded Green #7BB274 ΔE 0.036
- Dark Seafoam Green #3EAF76 ΔE 0.036
- Dusty Green #76A973 ΔE 0.036
- Bluey Green #2BB179 ΔE 0.040
- Medium Sea Green #3CB371 ΔE 0.042
- Dark Seafoam #1FB57A ΔE 0.043
Use #5BB388 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.