#39C4AF
Closest named color: Topaz (#13BBAF). oklch(74.2% 0.12 180.5), rgb(57, 196, 175).
Aa
Black text reads best on this color (9.68:1).
About this color
#39C4AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.120 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.031 away. Black text reads best on it, at 9.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #39C4AF |
| RGB | rgb(57, 196, 175) |
| HSL | hsl(171, 55%, 50%) |
| OKLCH | oklch(74.2% 0.12 180.5) |
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 #39C4AF | 2.16:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #39C4AF | 9.68:1 | AAA | Lc 61.7 | Content text, not long reading |
| #39C4AF text on white | 2.16:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #39C4AF text on black | 9.68:1 | AAA | Lc -60.0 | Content text, not long reading |
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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEA
oklch(93.6% 0.022 179.2)
-
Step 200
200
#BCE3DA
oklch(88.5% 0.043 179.7)
-
Step 300
300
#89D1C3
oklch(80.9% 0.075 180.7)
-
Step 400
400 (this color)
#39C4AF
oklch(74.2% 0.12 180.5)
-
Step 500
500
#009F8D
oklch(63% 0.114 181)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#39C4AF 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) | #BBB8AE | 0.127 |
| Deuteranopia (no green cones) | #A8AAB1 | 0.121 |
| Tritanopia (no blue cones) | #00C7BE | 0.022 |
| Achromatopsia (no color) | #B0B0B0 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39C4AF
#39C4AF
oklch(74.2% 0.12 180.5)
- #E98AA8
#E98AA8
oklch(74.2% 0.12 0.1)
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 #39C4AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.031
- Medium Aquamarine #66CDAA ΔE 0.043
- Dark Turquoise #00CED1 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.050
- Greeny Blue #42B395 ΔE 0.051
- Green Blue #01C08D ΔE 0.052
- Greenblue #23C48B ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.054
Use #39C4AF 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.