#183900
Closest named color: Hunter Green (#0B4008). oklch(30.7% 0.091 135.7), rgb(24, 57, 0).
Aa
White text reads best on this color (12.93:1).
About this color
#183900 is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.023 away. White text reads best on it, at 12.93:1.
| Hue family | Greens |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.62:1 |
| White text | 12.93:1 |
Values
| HEX | #183900 |
| RGB | rgb(24, 57, 0) |
| HSL | hsl(95, 100%, 11%) |
| OKLCH | oklch(30.7% 0.091 135.7) |
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 #183900 | 12.93:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #183900 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #183900 text on white | 12.93:1 | AAA | Lc 98.9 | Preferred for body text |
| #183900 text on black | 1.62:1 | 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
#F1F8EE
oklch(97.1% 0.015 136.1)
-
Step 100
100
#E1EFDA
oklch(93.6% 0.032 135)
-
Step 200
200
#C8E3BC
oklch(88.6% 0.06 136)
-
Step 300
300
#A2D18A
oklch(81% 0.108 135.5)
-
Step 400
400
#6CB73E
oklch(70.6% 0.172 135.7)
-
Step 500
500
#4FA100
oklch(63.2% 0.187 135.8)
-
Step 600
600
#428700
oklch(55.6% 0.164 135.6)
-
Step 700
700
#367200
oklch(49.2% 0.146 135.8)
-
Step 800
800
#2B5D00
oklch(42.6% 0.126 135.7)
-
Step 900
900
#234E00
oklch(37.8% 0.112 135.7)
-
Step 950
950 (this color)
#183900
oklch(30.7% 0.091 135.7)
#183900 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) | #3C3300 | 0.057 |
| Deuteranopia (no green cones) | #373005 | 0.055 |
| Tritanopia (no blue cones) | #17362F | 0.067 |
| Achromatopsia (no color) | #313131 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183900
#183900
oklch(30.7% 0.091 135.7)
- #411E4E
#411E4E
oklch(30.7% 0.091 316)
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 #183900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.023
- Forrest Green #154406 ΔE 0.037
- Pakistan Green #283618 ΔE 0.039
- Racing Green #014600 ΔE 0.044
- Very Dark Green #062E03 ΔE 0.045
- British Racing Green #05480D ΔE 0.049
- Dark Olive #373E02 ΔE 0.049
- Pine Green #0A481E ΔE 0.051
Use #183900 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.