#3DB399
Closest named color: Greeny Blue (#42B395). oklch(69.4% 0.111 175.3), rgb(61, 179, 153).
Aa
Black text reads best on this color (8.10:1).
About this color
#3DB399 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.111 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.006 away. Black text reads best on it, at 8.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.10:1 |
| White text | 2.59:1 |
Values
| HEX | #3DB399 |
| RGB | rgb(61, 179, 153) |
| HSL | hsl(167, 49%, 47%) |
| OKLCH | oklch(69.4% 0.111 175.3) |
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 #3DB399 | 2.59:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #3DB399 | 8.10:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #3DB399 text on white | 2.59:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #3DB399 text on black | 8.10:1 | AAA | Lc -51.6 | 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
#DDEFE9
oklch(93.7% 0.021 173.9)
-
Step 200
200
#C0E2D8
oklch(88.5% 0.038 175.7)
-
Step 300
300
#90D0BE
oklch(80.9% 0.07 175)
-
Step 400
400 (this color)
#3DB399
oklch(69.4% 0.111 175.3)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#3DB399 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) | #ADA898 | 0.117 |
| Deuteranopia (no green cones) | #9C9C9B | 0.111 |
| Tritanopia (no blue cones) | #00B5AB | 0.027 |
| Achromatopsia (no color) | #A1A1A1 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DB399
#3DB399
oklch(69.4% 0.111 175.3)
- #D37EA0
#D37EA0
oklch(69.4% 0.112 354.9)
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 #3DB399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.006
- Light Sea Green #20B2AA ΔE 0.027
- Topaz #13BBAF ΔE 0.032
- Tea #65AB7C ΔE 0.043
- Bluey Green #2BB179 ΔE 0.047
- Dark Seafoam Green #3EAF76 ΔE 0.047
- Green Blue #01C08D ΔE 0.049
- Dark Seafoam #1FB57A ΔE 0.050
Use #3DB399 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.