#39B0A3
Closest named color: Light Sea Green (#20B2AA). oklch(68.9% 0.106 184.6), rgb(57, 176, 163).
Aa
Black text reads best on this color (7.91:1).
About this color
#39B0A3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.106 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.012 away. Black text reads best on it, at 7.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #39B0A3 |
| RGB | rgb(57, 176, 163) |
| HSL | hsl(173, 51%, 46%) |
| OKLCH | oklch(68.9% 0.106 184.6) |
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 #39B0A3 | 2.65:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #39B0A3 | 7.91:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #39B0A3 text on white | 2.65:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #39B0A3 text on black | 7.91:1 | AAA | Lc -50.6 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200
#BFE1DC
oklch(88.4% 0.036 185.7)
-
Step 300
300
#90CFC6
oklch(80.9% 0.066 184.9)
-
Step 400
400 (this color)
#39B0A3
oklch(68.9% 0.106 184.6)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#39B0A3 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) | #A7A6A3 | 0.112 |
| Deuteranopia (no green cones) | #9699A4 | 0.107 |
| Tritanopia (no blue cones) | #00B4AC | 0.018 |
| Achromatopsia (no color) | #9F9F9F | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B0A3
#39B0A3
oklch(68.9% 0.106 184.6)
- #D27E93
#D27E93
oklch(68.8% 0.107 4.1)
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 #39B0A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.012
- Greeny Blue #42B395 ΔE 0.025
- Topaz #13BBAF ΔE 0.031
- Turquoise Blue #06B1C4 ΔE 0.049
- Dull Teal #5F9E8F ΔE 0.053
- Cadet Blue #5F9EA0 ΔE 0.055
- Tea #65AB7C ΔE 0.056
- Persian Green #2A9D8F ΔE 0.059
Use #39B0A3 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.