#39C09F
Closest named color: Green Blue (#01C08D). oklch(72.8% 0.125 172.7), rgb(57, 192, 159).
Aa
Black text reads best on this color (9.21:1).
About this color
#39C09F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.125 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.032 away. Black text reads best on it, at 9.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Green Blue (#01C08D) |
| Black text | 9.21:1 |
| White text | 2.27:1 |
Values
| HEX | #39C09F |
| RGB | rgb(57, 192, 159) |
| HSL | hsl(165, 54%, 49%) |
| OKLCH | oklch(72.8% 0.125 172.7) |
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 #39C09F | 2.27:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #39C09F | 9.21:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #39C09F text on white | 2.27:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #39C09F text on black | 9.21:1 | AAA | Lc -57.6 | 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
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200
#BDE3D6
oklch(88.5% 0.044 172.5)
-
Step 300
300
#8BD1BB
oklch(80.8% 0.077 172.5)
-
Step 400
400 (this color)
#39C09F
oklch(72.8% 0.125 172.7)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#39C09F 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) | #BAB39D | 0.129 |
| Deuteranopia (no green cones) | #A8A6A1 | 0.124 |
| Tritanopia (no blue cones) | #00C2B6 | 0.032 |
| Achromatopsia (no color) | #ACACAC | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39C09F
#39C09F
oklch(72.8% 0.125 172.7)
- #E385AE
#E385AE
oklch(72.9% 0.124 353)
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 #39C09F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.032
- Topaz #13BBAF ΔE 0.033
- Greenblue #23C48B ΔE 0.036
- Greeny Blue #42B395 ΔE 0.036
- Light Sea Green #20B2AA ΔE 0.051
- Medium Aquamarine #66CDAA ΔE 0.052
- Dark Seafoam #1FB57A ΔE 0.056
- Dark Mint #48C072 ΔE 0.060
Use #39C09F 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.