#437F1D
Closest named color: Dark Grass Green (#388004). oklch(53.6% 0.143 136.1), rgb(67, 127, 29).
Aa
White text reads best on this color (4.89:1).
About this color
#437F1D is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.143 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.017 away. White text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #437F1D |
| RGB | rgb(67, 127, 29) |
| HSL | hsl(97, 63%, 31%) |
| OKLCH | oklch(53.6% 0.143 136.1) |
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 #437F1D | 4.89:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #437F1D | 4.29:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #437F1D text on white | 4.89:1 | AA | Lc 73.6 | Content text, not long reading |
| #437F1D text on black | 4.29:1 | AA large text | Lc -28.1 | 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
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CFDFC8
oklch(88.5% 0.035 136)
-
Step 300
300
#AECBA2
oklch(81% 0.064 136.6)
-
Step 400
400
#83AF6E
oklch(70.6% 0.102 136)
-
Step 500
500
#639B46
oklch(63.1% 0.131 136.1)
-
Step 600
600 (this color)
#437F1D
oklch(53.6% 0.143 136.1)
-
Step 700
700
#3A7116
oklch(49.2% 0.134 136.1)
-
Step 800
800
#305C16
oklch(42.7% 0.111 136.3)
-
Step 900
900
#2B4B1A
oklch(37.6% 0.085 136.2)
-
Step 950
950
#1A2C10
oklch(26.9% 0.054 135.5)
#437F1D 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) | #847408 | 0.088 |
| Deuteranopia (no green cones) | #7C6F27 | 0.089 |
| Tritanopia (no blue cones) | #407A6C | 0.102 |
| Achromatopsia (no color) | #717171 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437F1D
#437F1D
oklch(53.6% 0.143 136.1)
- #8D4FA4
#8D4FA4
oklch(53.5% 0.143 316.2)
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 #437F1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.017
- Tree Green #2A7E19 ΔE 0.022
- Forest Green #228B22 ΔE 0.039
- Jungle Green #048243 ΔE 0.041
- Green #008000 ΔE 0.041
- Olive Green #677A04 ΔE 0.042
- Sap Green #5C8B15 ΔE 0.048
- Murky Green #6C7A0E ΔE 0.049
Use #437F1D 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.