#273E18
Closest named color: Dark Olive (#373E02). oklch(33.4% 0.068 134.5), rgb(39, 62, 24).
Aa
White text reads best on this color (11.74:1).
About this color
#273E18 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.068 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.027 away. White text reads best on it, at 11.74:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #273E18 |
| RGB | rgb(39, 62, 24) |
| HSL | hsl(96, 44%, 17%) |
| OKLCH | oklch(33.4% 0.068 134.5) |
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 #273E18 | 11.74:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #273E18 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #273E18 text on white | 11.74:1 | AAA | Lc 96.9 | Preferred for body text |
| #273E18 text on black | 1.78:1 | 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 900.
-
Step 50
50
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D1DECB
oklch(88.6% 0.029 135.6)
-
Step 300
300
#B3C8A8
oklch(80.8% 0.05 134.8)
-
Step 400
400
#8BAC79
oklch(70.6% 0.08 134.8)
-
Step 500
500
#6E9755
oklch(63% 0.104 134.5)
-
Step 600
600
#56823A
oklch(55.7% 0.113 134.7)
-
Step 700
700
#466D2C
oklch(49% 0.104 134.5)
-
Step 800
800
#3A5925
oklch(42.7% 0.087 134.3)
-
Step 900
900 (this color)
#273E18
oklch(33.4% 0.068 134.5)
-
Step 950
950
#1D2B15
oklch(27% 0.043 134.9)
#273E18 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) | #403914 | 0.041 |
| Deuteranopia (no green cones) | #3D371B | 0.042 |
| Tritanopia (no blue cones) | #273C35 | 0.048 |
| Achromatopsia (no color) | #383838 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #273E18
#273E18
oklch(33.4% 0.068 134.5)
- #432B4F
#432B4F
oklch(33.4% 0.068 313.8)
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 #273E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.027
- Pakistan Green #283618 ΔE 0.028
- Hunter Green #0B4008 ΔE 0.035
- Evergreen #05472A ΔE 0.036
- Forrest Green #154406 ΔE 0.036
- Pine Green #0A481E ΔE 0.037
- British Racing Green #05480D ΔE 0.046
- Racing Green #014600 ΔE 0.050
Use #273E18 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.