#5BB39F
Closest named color: Greeny Blue (#42B395). oklch(70.6% 0.091 176.8), rgb(91, 179, 159).
Aa
Black text reads best on this color (8.39:1).
About this color
#5BB39F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.091 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.025 away. Black text reads best on it, at 8.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #5BB39F |
| RGB | rgb(91, 179, 159) |
| HSL | hsl(166, 37%, 53%) |
| OKLCH | oklch(70.6% 0.091 176.8) |
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 #5BB39F | 2.50:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #5BB39F | 8.39:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #5BB39F text on white | 2.50:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #5BB39F text on black | 8.39:1 | AAA | Lc -53.0 | 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
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C4E0D8
oklch(88.4% 0.032 176.5)
-
Step 300
300
#9ACDC0
oklch(80.9% 0.056 177.4)
-
Step 400
400 (this color)
#5BB39F
oklch(70.6% 0.091 176.8)
-
Step 500
500
#09A088
oklch(63.2% 0.116 176.8)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#032E26
oklch(27% 0.048 176.9)
#5BB39F 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) | #ADAA9E | 0.095 |
| Deuteranopia (no green cones) | #9F9FA1 | 0.092 |
| Tritanopia (no blue cones) | #34B5AD | 0.028 |
| Achromatopsia (no color) | #A4A4A4 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB39F
#5BB39F
oklch(70.6% 0.091 176.8)
- #CE88A1
#CE88A1
oklch(70.5% 0.091 356.6)
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 #5BB39F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.025
- Light Sea Green #20B2AA ΔE 0.035
- Topaz #13BBAF ΔE 0.037
- Tea #65AB7C ΔE 0.046
- Muted Teal #90B494 ΔE 0.055
- Dusty Green #76A973 ΔE 0.058
- Dull Teal #5F9E8F ΔE 0.058
- Faded Green #7BB274 ΔE 0.061
Use #5BB39F 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.