#39BFAF
Closest named color: Topaz (#13BBAF). oklch(73% 0.115 183.4), rgb(57, 191, 175).
Aa
Black text reads best on this color (9.24:1).
About this color
#39BFAF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.115 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.019 away. Black text reads best on it, at 9.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #39BFAF |
| RGB | rgb(57, 191, 175) |
| HSL | hsl(173, 54%, 49%) |
| OKLCH | oklch(73% 0.115 183.4) |
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 #39BFAF | 2.27:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #39BFAF | 9.24:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #39BFAF text on white | 2.27:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #39BFAF text on black | 9.24:1 | AAA | Lc -57.7 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DCEFEB
oklch(93.7% 0.021 181.9)
-
Step 200
200
#BDE2DC
oklch(88.5% 0.04 184.6)
-
Step 300
300
#8BD0C5
oklch(80.9% 0.071 183.4)
-
Step 400
400 (this color)
#39BFAF
oklch(73% 0.115 183.4)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#39BFAF 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) | #B6B4AE | 0.123 |
| Deuteranopia (no green cones) | #A3A6B1 | 0.117 |
| Tritanopia (no blue cones) | #00C3BA | 0.018 |
| Achromatopsia (no color) | #ACACAC | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39BFAF
#39BFAF
oklch(73% 0.115 183.4)
- #E488A0
#E488A0
oklch(73% 0.115 3.5)
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 #39BFAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.019
- Light Sea Green #20B2AA ΔE 0.040
- Greeny Blue #42B395 ΔE 0.042
- Dark Turquoise #00CED1 ΔE 0.053
- Green Blue #01C08D ΔE 0.055
- Medium Aquamarine #66CDAA ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.059
- Greenblue #23C48B ΔE 0.059
Use #39BFAF 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.