#1B5D23
Closest named color: Spruce (#0A5F38). oklch(42.3% 0.112 145.2), rgb(27, 93, 35).
Aa
White text reads best on this color (7.96:1).
About this color
#1B5D23 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.112 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.025 away. White text reads best on it, at 7.96:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #1B5D23 |
| RGB | rgb(27, 93, 35) |
| HSL | hsl(127, 55%, 24%) |
| OKLCH | oklch(42.3% 0.112 145.2) |
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 #1B5D23 | 7.96:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #1B5D23 | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #1B5D23 text on white | 7.96:1 | AAA | Lc 87.3 | Fine for body text |
| #1B5D23 text on black | 2.63:1 | Fails | Lc -14.8 | Not readable |
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
#E2EDE2
oklch(93.5% 0.019 145.4)
-
Step 200
200
#CBE0CB
oklch(88.5% 0.036 145.3)
-
Step 300
300
#A7CCA7
oklch(80.8% 0.065 144.9)
-
Step 400
400
#76B278
oklch(70.7% 0.104 145.1)
-
Step 500
500
#4F9E54
oklch(63.1% 0.133 145)
-
Step 600
600
#2D8838
oklch(55.5% 0.145 145.3)
-
Step 700
700
#1F742A
oklch(49.2% 0.135 145.1)
-
Step 800
800 (this color)
#1B5D23
oklch(42.3% 0.112 145.2)
-
Step 900
900
#1E4D22
oklch(37.6% 0.087 145.2)
-
Step 950
950
#132D15
oklch(26.9% 0.054 145.5)
#1B5D23 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) | #5F541D | 0.085 |
| Deuteranopia (no green cones) | #574F28 | 0.084 |
| Tritanopia (no blue cones) | #085B50 | 0.067 |
| Achromatopsia (no color) | #515151 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B5D23
#1B5D23
oklch(42.3% 0.112 145.2)
- #6B356F
#6B356F
oklch(42.2% 0.112 324.7)
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 #1B5D23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.025
- Deep Green #02590F ΔE 0.026
- Pine #2B5D34 ΔE 0.028
- Forest #0B5509 ΔE 0.034
- Navy Green #35530A ΔE 0.035
- Dark Green #006400 ΔE 0.039
- Army Green #4B5D16 ΔE 0.050
- Camouflage Green #4B6113 ΔE 0.053
Use #1B5D23 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.