#183111
Closest named color: Very Dark Green (#062E03). oklch(28.4% 0.063 139.2), rgb(24, 49, 17).
Aa
White text reads best on this color (14.12:1).
About this color
#183111 is a dark, muted green. In OKLCH its lightness is 28%, its chroma 0.063 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.028 away. White text reads best on it, at 14.12:1.
| Hue family | Greens |
| Lightness | dark (28%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.48:1 |
| White text | 14.12:1 |
Values
| HEX | #183111 |
| RGB | rgb(24, 49, 17) |
| HSL | hsl(107, 48%, 13%) |
| OKLCH | oklch(28.4% 0.063 139.2) |
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 #183111 | 14.12:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #183111 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #183111 text on white | 14.12:1 | AAA | Lc 100.7 | Preferred for body text |
| #183111 text on black | 1.48:1 | Fails | Lc 0.0 | 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 950.
-
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
#A8CD9F
oklch(80.9% 0.075 139.6)
-
Step 400
400
#79B269
oklch(70.6% 0.118 139)
-
Step 500
500
#549F3E
oklch(63.2% 0.152 139.2)
-
Step 600
600
#358916
oklch(55.7% 0.166 139.3)
-
Step 700
700
#277403
oklch(49.2% 0.154 139.2)
-
Step 800
800
#225E0B
oklch(42.6% 0.127 139.2)
-
Step 900
900
#224D14
oklch(37.6% 0.099 139)
-
Step 950
950 (this color)
#183111
oklch(28.4% 0.063 139.2)
#183111 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) | #332D0E | 0.043 |
| Deuteranopia (no green cones) | #2F2A13 | 0.043 |
| Tritanopia (no blue cones) | #162F2A | 0.043 |
| Achromatopsia (no color) | #2B2B2B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183111
#183111
oklch(28.4% 0.063 139.2)
- #371F3D
#371F3D
oklch(28.4% 0.062 319.4)
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 #183111, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.028
- Pakistan Green #283618 ΔE 0.031
- Dark Forest Green #002D04 ΔE 0.033
- Hunter Green #0B4008 ΔE 0.056
- Dark Olive #373E02 ΔE 0.069
- Forrest Green #154406 ΔE 0.070
- Jet #212529 ΔE 0.070
- Evergreen #05472A ΔE 0.074
Use #183111 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.