#436B51
Closest named color: Dark Green Blue (#1F6357). oklch(49% 0.062 155), rgb(67, 107, 81).
Aa
White text reads best on this color (6.06:1).
About this color
#436B51 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.062 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.046 away. White text reads best on it, at 6.06:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #436B51 |
| RGB | rgb(67, 107, 81) |
| HSL | hsl(141, 23%, 34%) |
| OKLCH | oklch(49% 0.062 155) |
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 #436B51 | 6.06:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #436B51 | 3.46:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #436B51 text on white | 6.06:1 | AA | Lc 80.2 | Fine for body text |
| #436B51 text on black | 3.46:1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B8
oklch(80.9% 0.031 154.6)
-
Step 400
400
#8AAA94
oklch(70.8% 0.047 155)
-
Step 500
500
#6C9579
oklch(63.2% 0.062 154.5)
-
Step 600
600
#537F62
oklch(55.6% 0.066 154.8)
-
Step 700
700 (this color)
#436B51
oklch(49% 0.062 155)
-
Step 800
800
#385743
oklch(42.6% 0.05 155.4)
-
Step 900
900
#304838
oklch(37.7% 0.04 154.8)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#436B51 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) | #6B6550 | 0.056 |
| Deuteranopia (no green cones) | #646152 | 0.053 |
| Tritanopia (no blue cones) | #3C6A64 | 0.031 |
| Achromatopsia (no color) | #626262 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436B51
#436B51
oklch(49% 0.062 155)
- #77536E
#77536E
oklch(49% 0.062 335.9)
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 #436B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.046
- Dark Olive Green #556B2F ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.047
- Camo Green #526525 ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.054
- Dark Aqua #05696B ΔE 0.056
- Deep Turquoise #017374 ΔE 0.058
- Pine #2B5D34 ΔE 0.064
Use #436B51 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.