#138D2C
Closest named color: Forest Green (#228B22). oklch(56.2% 0.168 145.3), rgb(19, 141, 44).
Aa
Black text reads best on this color (4.87:1).
About this color
#138D2C is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.168 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.008 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #138D2C |
| RGB | rgb(19, 141, 44) |
| HSL | hsl(132, 76%, 31%) |
| OKLCH | oklch(56.2% 0.168 145.3) |
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 #138D2C | 4.30:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #138D2C | 4.87:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #138D2C text on white | 4.30:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #138D2C text on black | 4.87:1 | AA | Lc -32.4 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C9E1C9
oklch(88.5% 0.041 145.2)
-
Step 300
300
#A2CEA3
oklch(80.8% 0.076 145.4)
-
Step 400
400
#6DB471
oklch(70.6% 0.12 145.4)
-
Step 500
500
#40A14A
oklch(63.1% 0.154 145.3)
-
Step 600
600 (this color)
#138D2C
oklch(56.2% 0.168 145.3)
-
Step 700
700
#00761F
oklch(49.2% 0.153 145.3)
-
Step 800
800
#06601A
oklch(42.6% 0.129 145.4)
-
Step 900
900
#144F1C
oklch(37.7% 0.101 145.4)
-
Step 950
950
#0E2E11
oklch(26.9% 0.064 145.2)
#138D2C 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) | #8F7F1F | 0.125 |
| Deuteranopia (no green cones) | #837635 | 0.126 |
| Tritanopia (no blue cones) | #008979 | 0.104 |
| Achromatopsia (no color) | #7A7A7A | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #138D2C
#138D2C
oklch(56.2% 0.168 145.3)
- #A44BAA
#A44BAA
oklch(56.2% 0.168 325)
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 #138D2C, closest first.
No curated palette has a color within ΔE 0.04 of #138D2C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.008
- Emerald Green #028F1E ΔE 0.014
- Kelley Green #009337 ΔE 0.018
- Irish Green #019529 ΔE 0.025
- True Green #089404 ΔE 0.033
- Dark Grass Green #388004 ΔE 0.039
- Tree Green #2A7E19 ΔE 0.043
- Green #008000 ΔE 0.044
Use #138D2C 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.