#437B18
Closest named color: Tree Green (#2A7E19). oklch(52.4% 0.141 135.1), rgb(67, 123, 24).
Aa
White text reads best on this color (5.14:1).
About this color
#437B18 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.141 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.021 away. White text reads best on it, at 5.14:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.08:1 |
| White text | 5.14:1 |
Values
| HEX | #437B18 |
| RGB | rgb(67, 123, 24) |
| HSL | hsl(94, 67%, 29%) |
| OKLCH | oklch(52.4% 0.141 135.1) |
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 #437B18 | 5.14:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #437B18 | 4.08:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #437B18 text on white | 5.14:1 | AA | Lc 75.2 | Fine for body text |
| #437B18 text on black | 4.08:1 | AA large text | Lc -26.5 | 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 600.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#CFDFC8
oklch(88.5% 0.035 136)
-
Step 300
300
#AFCAA1
oklch(80.8% 0.063 135)
-
Step 400
400
#85AF6E
oklch(70.7% 0.101 135)
-
Step 500
500
#669A46
oklch(63% 0.128 134.9)
-
Step 600
600 (this color)
#437B18
oklch(52.4% 0.141 135.1)
-
Step 700
700
#3D7016
oklch(49.1% 0.131 135)
-
Step 800
800
#335B16
oklch(42.6% 0.107 134.9)
-
Step 900
900
#2D4B19
oklch(37.7% 0.084 134.8)
-
Step 950
950
#1A2C10
oklch(26.9% 0.054 135.5)
#437B18 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) | #807000 | 0.084 |
| Deuteranopia (no green cones) | #786C23 | 0.084 |
| Tritanopia (no blue cones) | #417669 | 0.103 |
| Achromatopsia (no color) | #6D6D6D | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437B18
#437B18
oklch(52.4% 0.141 135.1)
- #884DA1
#884DA1
oklch(52.5% 0.14 315)
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 #437B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.021
- Dark Grass Green #388004 ΔE 0.021
- Green #008000 ΔE 0.042
- Olive Green #677A04 ΔE 0.043
- Jungle Green #048243 ΔE 0.043
- Forest Green #228B22 ΔE 0.048
- Murky Green #6C7A0E ΔE 0.050
- Muddy Green #657432 ΔE 0.057
Use #437B18 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.