#437539
Closest named color: Dark Olive Green (#556B2F). oklch(51.2% 0.105 140.4), rgb(67, 117, 57).
Aa
White text reads best on this color (5.46:1).
About this color
#437539 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.105 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 0.033 away. White text reads best on it, at 5.46:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #437539 |
| RGB | rgb(67, 117, 57) |
| HSL | hsl(110, 34%, 34%) |
| OKLCH | oklch(51.2% 0.105 140.4) |
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 #437539 | 5.46:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #437539 | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #437539 text on white | 5.46:1 | AA | Lc 77.1 | Fine for body text |
| #437539 text on black | 3.84:1 | AA large text | Lc -24.6 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE3
oklch(93.5% 0.014 138.7)
-
Step 200
200
#D0DECD
oklch(88.5% 0.027 140.2)
-
Step 300
300
#B0C9AA
oklch(80.9% 0.051 139.6)
-
Step 400
400
#85AD7D
oklch(70.6% 0.081 140.4)
-
Step 500
500
#66995C
oklch(63.1% 0.104 140.4)
-
Step 600
600
#4C8341
oklch(55.5% 0.113 140.4)
-
Step 700
700 (this color)
#437539
oklch(51.2% 0.105 140.4)
-
Step 800
800
#335A2B
oklch(42.6% 0.086 140.3)
-
Step 900
900
#2D4A27
oklch(37.6% 0.067 140.2)
-
Step 950
950
#1B2C17
oklch(27.1% 0.044 139.7)
#437539 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) | #786C34 | 0.074 |
| Deuteranopia (no green cones) | #71683D | 0.073 |
| Tritanopia (no blue cones) | #3F7267 | 0.069 |
| Achromatopsia (no color) | #696969 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437539
#437539
oklch(51.2% 0.105 140.4)
- #81518B
#81518B
oklch(51.1% 0.105 320.5)
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 #437539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.033
- Muddy Green #657432 ΔE 0.041
- Dark Moss Green #606C38 ΔE 0.043
- Jungle Green #048243 ΔE 0.046
- Camo Green #526525 ΔE 0.047
- Military Green #667C3E ΔE 0.051
- Tree Green #2A7E19 ΔE 0.052
- Mud Green #606602 ΔE 0.055
Use #437539 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.