#284F39
Closest named color: Dark Blue Green (#005249). oklch(39.2% 0.059 157.5), rgb(40, 79, 57).
Aa
White text reads best on this color (9.26:1).
About this color
#284F39 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.059 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.030 away. White text reads best on it, at 9.26:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #284F39 |
| RGB | rgb(40, 79, 57) |
| HSL | hsl(146, 33%, 23%) |
| OKLCH | oklch(39.2% 0.059 157.5) |
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 #284F39 | 9.26:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #284F39 | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #284F39 text on white | 9.26:1 | AAA | Lc 91.2 | Preferred for body text |
| #284F39 text on black | 2.26:1 | Fails | Lc -11.1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED3
oklch(88.5% 0.024 157.5)
-
Step 300
300
#AACAB6
oklch(81% 0.044 157.8)
-
Step 400
400
#7BAE90
oklch(70.6% 0.07 158.2)
-
Step 500
500
#579A74
oklch(63.1% 0.09 157.6)
-
Step 600
600
#3A845C
oklch(55.5% 0.097 157.3)
-
Step 700
700
#2B704C
oklch(49.1% 0.091 157.6)
-
Step 800
800
#255B3E
oklch(42.6% 0.076 157.4)
-
Step 900
900 (this color)
#284F39
oklch(39.2% 0.059 157.5)
-
Step 950
950
#162C1F
oklch(27% 0.037 156.8)
#284F39 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) | #4E4A38 | 0.053 |
| Deuteranopia (no green cones) | #49463A | 0.052 |
| Tritanopia (no blue cones) | #1E4E49 | 0.028 |
| Achromatopsia (no color) | #474747 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284F39
#284F39
oklch(39.2% 0.059 157.5)
- #5A3951
#5A3951
oklch(39.2% 0.059 337.3)
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 #284F39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Teal #014D4E ΔE 0.043
- Evergreen #05472A ΔE 0.045
- Pine #2B5D34 ΔE 0.050
- Deep Teal #00555A ΔE 0.052
- Pine Green #0A481E ΔE 0.052
- Spruce #0A5F38 ΔE 0.055
Use #284F39 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.