#437A1F
Closest named color: Tree Green (#2A7E19). oklch(52.2% 0.135 135.7), rgb(67, 122, 31).
Aa
White text reads best on this color (5.19:1).
About this color
#437A1F is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.135 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.024 away. White text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #437A1F |
| RGB | rgb(67, 122, 31) |
| HSL | hsl(96, 59%, 30%) |
| OKLCH | oklch(52.2% 0.135 135.7) |
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 #437A1F | 5.19:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #437A1F | 4.04:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #437A1F text on white | 5.19:1 | AA | Lc 75.5 | Fine for body text |
| #437A1F text on black | 4.04:1 | AA large text | Lc -26.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AECBA1
oklch(80.9% 0.066 136)
-
Step 400
400
#83B06D
oklch(70.8% 0.105 135.9)
-
Step 500
500
#639B44
oklch(63.1% 0.133 135.7)
-
Step 600
600
#498521
oklch(55.5% 0.145 135.7)
-
Step 700
700 (this color)
#437A1F
oklch(52.2% 0.135 135.7)
-
Step 800
800
#315C14
oklch(42.8% 0.111 135.6)
-
Step 900
900
#2B4C18
oklch(37.8% 0.088 135.8)
-
Step 950
950
#1A2C0F
oklch(26.9% 0.055 135)
#437A1F 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) | #7F700F | 0.082 |
| Deuteranopia (no green cones) | #776B28 | 0.083 |
| Tritanopia (no blue cones) | #417568 | 0.097 |
| Achromatopsia (no color) | #6D6D6D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437A1F
#437A1F
oklch(52.2% 0.135 135.7)
- #874E9E
#874E9E
oklch(52.3% 0.135 315.5)
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 #437A1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.024
- Dark Grass Green #388004 ΔE 0.027
- Jungle Green #048243 ΔE 0.041
- Olive Green #677A04 ΔE 0.043
- Green #008000 ΔE 0.046
- Murky Green #6C7A0E ΔE 0.050
- Forest Green #228B22 ΔE 0.053
- Muddy Green #657432 ΔE 0.053
Use #437A1F 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.