#136F51
Closest named color: Dark Green Blue (#1F6357). oklch(48.3% 0.095 165.2), rgb(19, 111, 81).
Aa
White text reads best on this color (6.13:1).
About this color
#136F51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.095 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.043 away. White text reads best on it, at 6.13:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #136F51 |
| RGB | rgb(19, 111, 81) |
| HSL | hsl(160, 71%, 25%) |
| OKLCH | oklch(48.3% 0.095 165.2) |
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 #136F51 | 6.13:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #136F51 | 3.42:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #136F51 text on white | 6.13:1 | AA | Lc 80.2 | Fine for body text |
| #136F51 text on black | 3.42:1 | AA large text | Lc -21.6 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A6CBB9
oklch(81% 0.047 164.2)
-
Step 400
400
#74B095
oklch(70.8% 0.074 164.5)
-
Step 500
500
#4B9C7B
oklch(63.2% 0.095 164.6)
-
Step 600
600
#278664
oklch(55.6% 0.103 164.9)
-
Step 700
700 (this color)
#136F51
oklch(48.3% 0.095 165.2)
-
Step 800
800
#185C44
oklch(42.6% 0.078 165.2)
-
Step 900
900
#1C4C39
oklch(37.7% 0.062 164.4)
-
Step 950
950
#122C22
oklch(26.9% 0.038 166.4)
#136F51 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) | #6D664F | 0.095 |
| Deuteranopia (no green cones) | #615E53 | 0.091 |
| Tritanopia (no blue cones) | #006F67 | 0.034 |
| Achromatopsia (no color) | #626262 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136F51
#136F51
oklch(48.3% 0.095 165.2)
- #84476A
#84476A
oklch(48.3% 0.095 345.8)
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 #136F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.048
- Dark Aqua #05696B ΔE 0.051
- Deep Turquoise #017374 ΔE 0.053
- Spruce #0A5F38 ΔE 0.056
- Pine #2B5D34 ΔE 0.058
- Bluegreen #017A79 ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.063
Use #136F51 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.