#438731
Closest named color: Forest Green (#228B22). oklch(55.9% 0.139 139.6), rgb(67, 135, 49).
Aa
Black text reads best on this color (4.74:1).
About this color
#438731 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.139 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.031 away. Black text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #438731 |
| RGB | rgb(67, 135, 49) |
| HSL | hsl(107, 47%, 36%) |
| OKLCH | oklch(55.9% 0.139 139.6) |
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 #438731 | 4.42:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #438731 | 4.74:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #438731 text on white | 4.42:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #438731 text on black | 4.74:1 | AA | Lc -31.2 | Non-text elements, placeholder text |
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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CEDFC9
oklch(88.5% 0.035 138.6)
-
Step 300
300
#ACCBA5
oklch(80.9% 0.062 139.9)
-
Step 400
400
#7FB073
oklch(70.7% 0.101 139.6)
-
Step 500
500
#5D9C4E
oklch(63.1% 0.128 139.8)
-
Step 600
600 (this color)
#438731
oklch(55.9% 0.139 139.6)
-
Step 700
700
#337122
oklch(49% 0.129 139.6)
-
Step 800
800
#2B5C1E
oklch(42.6% 0.107 139.6)
-
Step 900
900
#284C1F
oklch(37.7% 0.083 139.6)
-
Step 950
950
#182D13
oklch(27.2% 0.053 139.7)
#438731 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) | #8B7C27 | 0.094 |
| Deuteranopia (no green cones) | #827638 | 0.094 |
| Tritanopia (no blue cones) | #3D8375 | 0.094 |
| Achromatopsia (no color) | #787878 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438731
#438731
oklch(55.9% 0.139 139.6)
- #9756A7
#9756A7
oklch(56% 0.139 319.5)
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 #438731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.031
- Fern Green #548D44 ΔE 0.033
- Sap Green #5C8B15 ΔE 0.034
- Dark Grass Green #388004 ΔE 0.035
- Mossy Green #638B27 ΔE 0.038
- Tree Green #2A7E19 ΔE 0.041
- Sea Green #2E8B57 ΔE 0.041
- Kelley Green #009337 ΔE 0.041
Use #438731 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.