#5BB399
Closest named color: Greeny Blue (#42B395). oklch(70.4% 0.094 172), rgb(91, 179, 153).
Aa
Black text reads best on this color (8.35:1).
About this color
#5BB399 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.094 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.020 away. Black text reads best on it, at 8.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #5BB399 |
| RGB | rgb(91, 179, 153) |
| HSL | hsl(162, 37%, 53%) |
| OKLCH | oklch(70.4% 0.094 172) |
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 #5BB399 | 2.51:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #5BB399 | 8.35:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #5BB399 text on white | 2.51:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #5BB399 text on black | 8.35:1 | AAA | Lc -52.8 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C5E1D7
oklch(88.6% 0.033 172)
-
Step 300
300
#9ACDBC
oklch(80.8% 0.058 172.3)
-
Step 400
400 (this color)
#5BB399
oklch(70.4% 0.094 172)
-
Step 500
500
#0DA081
oklch(63% 0.12 172.2)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#032E24
oklch(27% 0.049 173)
#5BB399 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) | #AEA998 | 0.097 |
| Deuteranopia (no green cones) | #A09F9B | 0.093 |
| Tritanopia (no blue cones) | #38B4AB | 0.031 |
| Achromatopsia (no color) | #A3A3A3 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB399
#5BB399
oklch(70.4% 0.094 172)
- #CD87A6
#CD87A6
oklch(70.4% 0.094 351.6)
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 #5BB399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.020
- Tea #65AB7C ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.039
- Topaz #13BBAF ΔE 0.041
- Dusty Green #76A973 ΔE 0.051
- Faded Green #7BB274 ΔE 0.053
- Muted Teal #90B494 ΔE 0.055
- Dark Seafoam Green #3EAF76 ΔE 0.056
Use #5BB399 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.