#137C20
Closest named color: Tree Green (#2A7E19). oklch(51.2% 0.156 144.2), rgb(19, 124, 32).
Aa
White text reads best on this color (5.34:1).
About this color
#137C20 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.156 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.014 away. White text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.93:1 |
| White text | 5.34:1 |
Values
| HEX | #137C20 |
| RGB | rgb(19, 124, 32) |
| HSL | hsl(127, 73%, 28%) |
| OKLCH | oklch(51.2% 0.156 144.2) |
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 #137C20 | 5.34:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #137C20 | 3.93:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #137C20 text on white | 5.34:1 | AA | Lc 76.0 | Fine for body text |
| #137C20 text on black | 3.93:1 | AA large text | Lc -25.7 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C9E1C8
oklch(88.5% 0.042 144.1)
-
Step 300
300
#A3CEA2
oklch(80.9% 0.076 144.3)
-
Step 400
400
#6FB46F
oklch(70.6% 0.121 144.2)
-
Step 500
500
#43A147
oklch(63.2% 0.156 144.2)
-
Step 600
600
#198B26
oklch(55.6% 0.169 144.2)
-
Step 700
700 (this color)
#137C20
oklch(51.2% 0.156 144.2)
-
Step 800
800
#0E6017
oklch(42.7% 0.13 144.1)
-
Step 900
900
#174F1A
oklch(37.8% 0.102 144)
-
Step 950
950
#0F2E11
oklch(26.9% 0.063 144.7)
#137C20 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) | #7E7011 | 0.113 |
| Deuteranopia (no green cones) | #736829 | 0.113 |
| Tritanopia (no blue cones) | #00786A | 0.099 |
| Achromatopsia (no color) | #6B6B6B | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137C20
#137C20
oklch(51.2% 0.156 144.2)
- #904098
#904098
oklch(51.1% 0.156 323.9)
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 #137C20, closest first.
No curated palette has a color within ΔE 0.04 of #137C20.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.014
- Green #008000 ΔE 0.022
- Dark Grass Green #388004 ΔE 0.028
- Jungle Green #048243 ΔE 0.035
- Forest Green #228B22 ΔE 0.048
- Emerald Green #028F1E ΔE 0.058
- Kelley Green #009337 ΔE 0.068
- Sea Green #2E8B57 ΔE 0.073
Use #137C20 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.