#137F64
Closest named color: Bluegreen (#017A79). oklch(53.3% 0.1 170.3), rgb(19, 127, 100).
Aa
White text reads best on this color (4.94:1).
About this color
#137F64 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.100 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.041 away. White text reads best on it, at 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #137F64 |
| RGB | rgb(19, 127, 100) |
| HSL | hsl(165, 74%, 29%) |
| OKLCH | oklch(53.3% 0.1 170.3) |
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 #137F64 | 4.94:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #137F64 | 4.24:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #137F64 text on white | 4.94:1 | AA | Lc 73.8 | Content text, not long reading |
| #137F64 text on black | 4.24:1 | AA large text | Lc -27.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD7
oklch(88.6% 0.025 170.9)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#71B09A
oklch(70.8% 0.073 170.1)
-
Step 500
500
#479C81
oklch(63.2% 0.093 169.8)
-
Step 600
600 (this color)
#137F64
oklch(53.3% 0.1 170.3)
-
Step 700
700
#0D7159
oklch(49% 0.093 170.7)
-
Step 800
800
#125C49
oklch(42.6% 0.077 171)
-
Step 900
900
#194C3D
oklch(37.8% 0.06 170.4)
-
Step 950
950
#102C24
oklch(26.8% 0.037 172.3)
#137F64 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) | #7B7663 | 0.102 |
| Deuteranopia (no green cones) | #6E6C66 | 0.099 |
| Tritanopia (no blue cones) | #008077 | 0.028 |
| Achromatopsia (no color) | #707070 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137F64
#137F64
oklch(53.3% 0.1 170.3)
- #985374
#985374
oklch(53.4% 0.1 351)
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 #137F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.041
- Teal #008080 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.050
- Jungle Green #048243 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.053
- Deep Aqua #08787F ΔE 0.054
- Viridian #1E9167 ΔE 0.056
Use #137F64 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.