#39A99E
Closest named color: Light Sea Green (#20B2AA). oklch(67% 0.101 185.8), rgb(57, 169, 158).
Aa
Black text reads best on this color (7.34:1).
About this color
#39A99E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.101 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.026 away. Black text reads best on it, at 7.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.34:1 |
| White text | 2.85:1 |
Values
| HEX | #39A99E |
| RGB | rgb(57, 169, 158) |
| HSL | hsl(174, 50%, 44%) |
| OKLCH | oklch(67% 0.101 185.8) |
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 #39A99E | 2.85:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #39A99E | 7.34:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #39A99E text on white | 2.85:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #39A99E text on black | 7.34:1 | AAA | Lc -47.4 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200
#C0E1DC
oklch(88.4% 0.035 185.4)
-
Step 300
300
#92CEC6
oklch(80.8% 0.063 185.7)
-
Step 400
400 (this color)
#39A99E
oklch(67% 0.101 185.8)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#39A99E 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) | #A0A09E | 0.106 |
| Deuteranopia (no green cones) | #90949F | 0.100 |
| Tritanopia (no blue cones) | #00ADA5 | 0.018 |
| Achromatopsia (no color) | #999999 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39A99E
#39A99E
oklch(67% 0.101 185.8)
- #C97A8C
#C97A8C
oklch(66.9% 0.1 5.4)
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 #39A99E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.026
- Greeny Blue #42B395 ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.038
- Persian Green #2A9D8F ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.045
- Sea #3C9992 ΔE 0.046
- Blue Green #0F9B8E ΔE 0.049
Use #39A99E 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.