#437638
Closest named color: Dark Olive Green (#556B2F). oklch(51.4% 0.108 140.1), rgb(67, 118, 56).
Aa
White text reads best on this color (5.40:1).
About this color
#437638 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.108 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.035 away. White text reads best on it, at 5.40:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #437638 |
| RGB | rgb(67, 118, 56) |
| HSL | hsl(109, 36%, 34%) |
| OKLCH | oklch(51.4% 0.108 140.1) |
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 #437638 | 5.40:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #437638 | 3.88:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #437638 text on white | 5.40:1 | AA | Lc 76.8 | Fine for body text |
| #437638 text on black | 3.88:1 | AA large text | Lc -25.0 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE3
oklch(93.5% 0.014 138.7)
-
Step 200
200
#CFDECC
oklch(88.4% 0.029 140.5)
-
Step 300
300
#AFC9AA
oklch(80.8% 0.051 140.6)
-
Step 400
400
#85AE7C
oklch(70.8% 0.084 140)
-
Step 500
500
#65995A
oklch(63% 0.107 140.1)
-
Step 600
600
#4C8340
oklch(55.5% 0.114 140.1)
-
Step 700
700 (this color)
#437638
oklch(51.4% 0.108 140.1)
-
Step 800
800
#325B2A
oklch(42.8% 0.09 140.4)
-
Step 900
900
#2D4A26
oklch(37.6% 0.068 139.7)
-
Step 950
950
#1A2C17
oklch(27.1% 0.045 140.9)
#437638 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) | #796D33 | 0.075 |
| Deuteranopia (no green cones) | #72683C | 0.075 |
| Tritanopia (no blue cones) | #3F7368 | 0.072 |
| Achromatopsia (no color) | #6A6A6A | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437638
#437638
oklch(51.4% 0.108 140.1)
- #82518D
#82518D
oklch(51.3% 0.107 320.1)
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 #437638, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.035
- Muddy Green #657432 ΔE 0.041
- Jungle Green #048243 ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.045
- Tree Green #2A7E19 ΔE 0.049
- Camo Green #526525 ΔE 0.050
- Military Green #667C3E ΔE 0.050
- Olive Green #677A04 ΔE 0.055
Use #437638 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.