#1B6837
Closest named color: Spruce (#0A5F38). oklch(45.8% 0.108 151.3), rgb(27, 104, 55).
Aa
White text reads best on this color (6.81:1).
About this color
#1B6837 is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.108 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.032 away. White text reads best on it, at 6.81:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #1B6837 |
| RGB | rgb(27, 104, 55) |
| HSL | hsl(142, 59%, 26%) |
| OKLCH | oklch(45.8% 0.108 151.3) |
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 #1B6837 | 6.81:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #1B6837 | 3.08:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #1B6837 text on white | 6.81:1 | AA | Lc 83.2 | Fine for body text |
| #1B6837 text on black | 3.08:1 | AA large text | Lc -18.8 | 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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EEE4
oklch(93.7% 0.018 150.5)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A3CDAC
oklch(80.9% 0.064 151.2)
-
Step 400
400
#6FB380
oklch(70.8% 0.102 151.1)
-
Step 500
500
#439F60
oklch(63.1% 0.129 151.3)
-
Step 600
600
#188946
oklch(55.5% 0.14 151.3)
-
Step 700
700
#037438
oklch(49% 0.129 151.5)
-
Step 800
800 (this color)
#1B6837
oklch(45.8% 0.108 151.3)
-
Step 900
900
#174E2A
oklch(37.8% 0.084 151.5)
-
Step 950
950
#0F2E19
oklch(27.1% 0.054 151.7)
#1B6837 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) | #685F33 | 0.090 |
| Deuteranopia (no green cones) | #5F583A | 0.089 |
| Tritanopia (no blue cones) | #00665C | 0.058 |
| Achromatopsia (no color) | #5B5B5B | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6837
#1B6837
oklch(45.8% 0.108 151.3)
- #793F73
#793F73
oklch(45.9% 0.107 331.1)
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 #1B6837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.032
- Pine #2B5D34 ΔE 0.035
- Camouflage Green #4B6113 ΔE 0.049
- Dark Green #006400 ΔE 0.050
- Army Green #4B5D16 ΔE 0.052
- Camo Green #526525 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.059
Use #1B6837 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.