#136A65
Closest named color: Dark Aqua (#05696B). oklch(47.5% 0.077 188.9), rgb(19, 106, 101).
Aa
White text reads best on this color (6.40:1).
About this color
#136A65 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.077 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.012 away. White text reads best on it, at 6.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.27:1 |
| White text | 6.40:1 |
Values
| HEX | #136A65 |
| RGB | rgb(19, 106, 101) |
| HSL | hsl(177, 70%, 25%) |
| OKLCH | oklch(47.5% 0.077 188.9) |
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 #136A65 | 6.40:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #136A65 | 3.27:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #136A65 text on white | 6.40:1 | AA | Lc 81.5 | Fine for body text |
| #136A65 text on black | 3.27:1 | AA large text | Lc -20.4 | 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 700.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A6C9C5
oklch(80.9% 0.038 187.9)
-
Step 400
400
#74ADA8
oklch(70.7% 0.06 189)
-
Step 500
500
#4C9893
oklch(63% 0.076 189.8)
-
Step 600
600
#2A837D
oklch(55.7% 0.083 188.6)
-
Step 700
700 (this color)
#136A65
oklch(47.5% 0.077 188.9)
-
Step 800
800
#1A5A56
oklch(42.7% 0.064 189.1)
-
Step 900
900
#1D4A47
oklch(37.7% 0.05 189.4)
-
Step 950
950
#122B29
oklch(26.8% 0.031 188.7)
#136A65 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) | #636465 | 0.081 |
| Deuteranopia (no green cones) | #585B66 | 0.078 |
| Tritanopia (no blue cones) | #006D68 | 0.009 |
| Achromatopsia (no color) | #5F5F5F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136A65
#136A65
oklch(47.5% 0.077 188.9)
- #814953
#814953
oklch(47.5% 0.077 8.9)
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 #136A65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.012
- Dark Green Blue #1F6357 ΔE 0.026
- Dark Aquamarine #017371 ΔE 0.029
- Deep Turquoise #017374 ΔE 0.031
- Petrol #005F6A ΔE 0.041
- Bluegreen #017A79 ΔE 0.051
- Deep Aqua #08787F ΔE 0.051
- Slate #516572 ΔE 0.064
Use #136A65 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.