#37870E
Closest named color: Forest Green (#228B22). oklch(55.2% 0.166 138.3), rgb(55, 135, 14).
Aa
Black text reads best on this color (4.63:1).
About this color
#37870E is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.166 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.015 away. Black text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #37870E |
| RGB | rgb(55, 135, 14) |
| HSL | hsl(100, 81%, 29%) |
| OKLCH | oklch(55.2% 0.166 138.3) |
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 #37870E | 4.53:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #37870E | 4.63:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #37870E text on white | 4.53:1 | AA | Lc 71.1 | Content text, not long reading |
| #37870E text on black | 4.63:1 | AA | Lc -30.6 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C6
oklch(88.5% 0.041 138.5)
-
Step 300
300
#A9CD9E
oklch(81% 0.075 138.4)
-
Step 400
400
#7AB268
oklch(70.6% 0.119 138.4)
-
Step 500
500
#569E3C
oklch(63.1% 0.152 138.3)
-
Step 600
600 (this color)
#37870E
oklch(55.2% 0.166 138.3)
-
Step 700
700
#2B7300
oklch(49% 0.152 138.2)
-
Step 800
800
#245E08
oklch(42.7% 0.127 138.4)
-
Step 900
900
#234D13
oklch(37.6% 0.099 138.4)
-
Step 950
950
#152D0D
oklch(26.9% 0.062 138.6)
#37870E 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) | #8B7A00 | 0.107 |
| Deuteranopia (no green cones) | #827420 | 0.107 |
| Tritanopia (no blue cones) | #2F8272 | 0.114 |
| Achromatopsia (no color) | #767676 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37870E
#37870E
oklch(55.2% 0.166 138.3)
- #994CAF
#994CAF
oklch(55.2% 0.165 318.2)
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 #37870E, closest first.
No curated palette has a color within ΔE 0.04 of #37870E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.015
- Dark Grass Green #388004 ΔE 0.021
- Emerald Green #028F1E ΔE 0.027
- Tree Green #2A7E19 ΔE 0.032
- Green #008000 ΔE 0.036
- Kelley Green #009337 ΔE 0.038
- Irish Green #019529 ΔE 0.040
- Sap Green #5C8B15 ΔE 0.041
Use #37870E 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.