#39BE9E
Closest named color: Topaz (#13BBAF). oklch(72.2% 0.123 173), rgb(57, 190, 158).
Aa
Black text reads best on this color (9.03:1).
About this color
#39BE9E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.123 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.030 away. Black text reads best on it, at 9.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.03:1 |
| White text | 2.32:1 |
Values
| HEX | #39BE9E |
| RGB | rgb(57, 190, 158) |
| HSL | hsl(166, 54%, 48%) |
| OKLCH | oklch(72.2% 0.123 173) |
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 #39BE9E | 2.32:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #39BE9E | 9.03:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #39BE9E text on white | 2.32:1 | Fails | Lc 45.5 | Large or bold text, headings |
| #39BE9E text on black | 9.03:1 | AAA | Lc -56.6 | 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
#8CD1BC
oklch(80.9% 0.076 173.2)
-
Step 400
400 (this color)
#39BE9E
oklch(72.2% 0.123 173)
-
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
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#39BE9E 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) | #B8B29C | 0.127 |
| Deuteranopia (no green cones) | #A6A5A0 | 0.121 |
| Tritanopia (no blue cones) | #00C0B5 | 0.032 |
| Achromatopsia (no color) | #AAAAAA | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39BE9E
#39BE9E
oklch(72.2% 0.123 173)
- #E084AC
#E084AC
oklch(72.3% 0.122 353)
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 #39BE9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.030
- Greeny Blue #42B395 ΔE 0.030
- Green Blue #01C08D ΔE 0.032
- Greenblue #23C48B ΔE 0.038
- Light Sea Green #20B2AA ΔE 0.046
- Dark Seafoam #1FB57A ΔE 0.054
- Medium Aquamarine #66CDAA ΔE 0.057
- Bluey Green #2BB179 ΔE 0.057
Use #39BE9E 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.