#1B6128
Closest named color: Spruce (#0A5F38). oklch(43.5% 0.113 146.5), rgb(27, 97, 40).
Aa
White text reads best on this color (7.53:1).
About this color
#1B6128 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.113 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.024 away. White text reads best on it, at 7.53:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #1B6128 |
| RGB | rgb(27, 97, 40) |
| HSL | hsl(131, 56%, 24%) |
| OKLCH | oklch(43.5% 0.113 146.5) |
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 #1B6128 | 7.53:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #1B6128 | 2.78:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #1B6128 text on white | 7.53:1 | AAA | Lc 85.8 | Fine for body text |
| #1B6128 text on black | 2.78:1 | Fails | Lc -16.2 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A6CDA8
oklch(81% 0.066 146.3)
-
Step 400
400
#73B279
oklch(70.6% 0.105 146.6)
-
Step 500
500
#4B9F56
oklch(63.2% 0.135 146.4)
-
Step 600
600
#27893A
oklch(55.6% 0.146 146.5)
-
Step 700
700
#18742C
oklch(49.1% 0.136 146.4)
-
Step 800
800 (this color)
#1B6128
oklch(43.5% 0.113 146.5)
-
Step 900
900
#1C4E23
oklch(37.8% 0.089 146.2)
-
Step 950
950
#122E15
oklch(27.2% 0.057 146)
#1B6128 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) | #625823 | 0.087 |
| Deuteranopia (no green cones) | #5A522C | 0.087 |
| Tritanopia (no blue cones) | #035F54 | 0.066 |
| Achromatopsia (no color) | #545454 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6128
#1B6128
oklch(43.5% 0.113 146.5)
- #703872
#703872
oklch(43.6% 0.113 326)
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 #1B6128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.024
- Pine #2B5D34 ΔE 0.027
- Deep Green #02590F ΔE 0.036
- Dark Green #006400 ΔE 0.037
- Navy Green #35530A ΔE 0.045
- Forest #0B5509 ΔE 0.046
- Army Green #4B5D16 ΔE 0.047
- Camouflage Green #4B6113 ΔE 0.048
Use #1B6128 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.