#437D1B
Closest named color: Dark Grass Green (#388004). oklch(53% 0.142 135.7), rgb(67, 125, 27).
Aa
White text reads best on this color (5.01:1).
About this color
#437D1B is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.142 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 0.019 away. White text reads best on it, at 5.01:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #437D1B |
| RGB | rgb(67, 125, 27) |
| HSL | hsl(96, 64%, 30%) |
| OKLCH | oklch(53% 0.142 135.7) |
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 #437D1B | 5.01:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #437D1B | 4.18:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #437D1B text on white | 5.01:1 | AA | Lc 74.4 | Content text, not long reading |
| #437D1B text on black | 4.18:1 | AA large text | Lc -27.3 | 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
#AFCAA2
oklch(80.8% 0.062 135.5)
-
Step 400
400
#84AF6E
oklch(70.7% 0.102 135.5)
-
Step 500
500
#649B46
oklch(63.1% 0.131 135.8)
-
Step 600
600 (this color)
#437D1B
oklch(53% 0.142 135.7)
-
Step 700
700
#3B7017
oklch(49% 0.131 135.8)
-
Step 800
800
#325C16
oklch(42.8% 0.109 135.5)
-
Step 900
900
#2C4B1A
oklch(37.6% 0.084 135.6)
-
Step 950
950
#1A2C10
oklch(26.9% 0.054 135.5)
#437D1B 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) | #827205 | 0.086 |
| Deuteranopia (no green cones) | #7A6D25 | 0.087 |
| Tritanopia (no blue cones) | #41786A | 0.101 |
| Achromatopsia (no color) | #6F6F6F | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437D1B
#437D1B
oklch(53% 0.142 135.7)
- #8B4EA2
#8B4EA2
oklch(53% 0.141 316.1)
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 #437D1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.019
- Tree Green #2A7E19 ΔE 0.021
- Jungle Green #048243 ΔE 0.041
- Green #008000 ΔE 0.041
- Olive Green #677A04 ΔE 0.042
- Forest Green #228B22 ΔE 0.044
- Murky Green #6C7A0E ΔE 0.049
- Sap Green #5C8B15 ΔE 0.053
Use #437D1B 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.