#3BB39C
Closest named color: Greeny Blue (#42B395). oklch(69.5% 0.111 177.5), rgb(59, 179, 156).
Aa
Black text reads best on this color (8.11:1).
About this color
#3BB39C is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.111 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.010 away. Black text reads best on it, at 8.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.11:1 |
| White text | 2.58:1 |
Values
| HEX | #3BB39C |
| RGB | rgb(59, 179, 156) |
| HSL | hsl(169, 50%, 47%) |
| OKLCH | oklch(69.5% 0.111 177.5) |
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 #3BB39C | 2.58:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #3BB39C | 8.11:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #3BB39C text on white | 2.58:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #3BB39C text on black | 8.11:1 | AAA | Lc -51.7 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DDEFEA
oklch(93.7% 0.02 177.4)
-
Step 200
200
#BFE2D9
oklch(88.5% 0.039 178.1)
-
Step 300
300
#90D0C0
oklch(81% 0.069 177.1)
-
Step 400
400 (this color)
#3BB39C
oklch(69.5% 0.111 177.5)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
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
#002E26
oklch(26.9% 0.05 177.5)
#3BB39C 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) | #ACA89B | 0.117 |
| Deuteranopia (no green cones) | #9B9C9E | 0.111 |
| Tritanopia (no blue cones) | #00B6AC | 0.024 |
| Achromatopsia (no color) | #A1A1A1 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BB39C
#3BB39C
oklch(69.5% 0.111 177.5)
- #D47F9D
#D47F9D
oklch(69.6% 0.111 357.7)
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 #3BB39C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.010
- Light Sea Green #20B2AA ΔE 0.023
- Topaz #13BBAF ΔE 0.029
- Tea #65AB7C ΔE 0.047
- Bluey Green #2BB179 ΔE 0.051
- Dark Seafoam Green #3EAF76 ΔE 0.051
- Green Blue #01C08D ΔE 0.051
- Dark Seafoam #1FB57A ΔE 0.054
Use #3BB39C 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.