#39AE9D
Closest named color: Light Sea Green (#20B2AA). oklch(68.2% 0.106 181.4), rgb(57, 174, 157).
Aa
Black text reads best on this color (7.71:1).
About this color
#39AE9D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.106 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.019 away. Black text reads best on it, at 7.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #39AE9D |
| RGB | rgb(57, 174, 157) |
| HSL | hsl(171, 51%, 45%) |
| OKLCH | oklch(68.2% 0.106 181.4) |
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 #39AE9D | 2.72:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #39AE9D | 7.71:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #39AE9D text on white | 2.72:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #39AE9D text on black | 7.71:1 | AAA | Lc -49.5 | 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
#C0E2DB
oklch(88.6% 0.037 181.6)
-
Step 300
300
#90CFC3
oklch(80.8% 0.067 181.4)
-
Step 400
400 (this color)
#39AE9D
oklch(68.2% 0.106 181.4)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#39AE9D 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) | #A6A49C | 0.112 |
| Deuteranopia (no green cones) | #95989F | 0.106 |
| Tritanopia (no blue cones) | #00B1A9 | 0.020 |
| Achromatopsia (no color) | #9D9D9D | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39AE9D
#39AE9D
oklch(68.2% 0.106 181.4)
- #CF7C94
#CF7C94
oklch(68.2% 0.107 1.7)
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 #39AE9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.019
- Greeny Blue #42B395 ΔE 0.022
- Topaz #13BBAF ΔE 0.038
- Dull Teal #5F9E8F ΔE 0.048
- Tea #65AB7C ΔE 0.050
- Persian Green #2A9D8F ΔE 0.052
- Cadet Blue #5F9EA0 ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.055
Use #39AE9D 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.