#1C5900
Closest named color: Deep Green (#02590F). oklch(40.8% 0.129 139), rgb(28, 89, 0).
Aa
White text reads best on this color (8.47:1).
About this color
#1C5900 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.129 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.012 away. White text reads best on it, at 8.47:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #1C5900 |
| RGB | rgb(28, 89, 0) |
| HSL | hsl(101, 100%, 17%) |
| OKLCH | oklch(40.8% 0.129 139) |
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 #1C5900 | 8.47:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #1C5900 | 2.47:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #1C5900 text on white | 8.47:1 | AAA | Lc 88.8 | Fine for body text |
| #1C5900 text on black | 2.47:1 | Fails | Lc -13.4 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C6
oklch(88.5% 0.041 138.5)
-
Step 300
300
#A8CD9E
oklch(80.9% 0.076 139.1)
-
Step 400
400
#79B368
oklch(70.8% 0.121 138.8)
-
Step 500
500
#539F3C
oklch(63.2% 0.155 139.1)
-
Step 600
600
#358912
oklch(55.7% 0.167 139)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800 (this color)
#1C5900
oklch(40.8% 0.129 139)
-
Step 900
900
#224E13
oklch(37.9% 0.101 138.9)
-
Step 950
950
#152E0D
oklch(27.2% 0.064 138.8)
#1C5900 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) | #5C5000 | 0.086 |
| Deuteranopia (no green cones) | #554B0D | 0.084 |
| Tritanopia (no blue cones) | #14564A | 0.087 |
| Achromatopsia (no color) | #4D4D4D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C5900
#1C5900
oklch(40.8% 0.129 139)
- #662D75
#662D75
oklch(40.7% 0.129 318.8)
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 #1C5900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.012
- Forest #0B5509 ΔE 0.018
- Navy Green #35530A ΔE 0.032
- Dark Green #006400 ΔE 0.035
- Spruce #0A5F38 ΔE 0.050
- Pine #2B5D34 ΔE 0.051
- Bottle Green #044A05 ΔE 0.055
- Darkgreen #054907 ΔE 0.058
Use #1C5900 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.