#284E37
Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.059 155.8), rgb(40, 78, 55).
Aa
White text reads best on this color (9.39:1).
About this color
#284E37 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.059 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.032 away. White text reads best on it, at 9.39:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #284E37 |
| RGB | rgb(40, 78, 55) |
| HSL | hsl(144, 32%, 23%) |
| OKLCH | oklch(38.8% 0.059 155.8) |
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 #284E37 | 9.39:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #284E37 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #284E37 text on white | 9.39:1 | AAA | Lc 91.6 | Preferred for body text |
| #284E37 text on black | 2.23:1 | Fails | Lc -10.8 | 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
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABCAB5
oklch(81% 0.044 155.7)
-
Step 400
400
#7CAE8E
oklch(70.6% 0.071 156)
-
Step 500
500
#599A72
oklch(63.1% 0.091 155.7)
-
Step 600
600
#3C845A
oklch(55.5% 0.098 155.7)
-
Step 700
700
#2D704A
oklch(49.1% 0.092 155.8)
-
Step 800
800
#275B3D
oklch(42.7% 0.075 155.9)
-
Step 900
900 (this color)
#284E37
oklch(38.8% 0.059 155.8)
-
Step 950
950
#162C1F
oklch(27% 0.037 156.8)
#284E37 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) | #4E4936 | 0.054 |
| Deuteranopia (no green cones) | #484538 | 0.052 |
| Tritanopia (no blue cones) | #1F4D48 | 0.030 |
| Achromatopsia (no color) | #464646 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284E37
#284E37
oklch(38.8% 0.059 155.8)
- #583851
#583851
oklch(38.8% 0.059 334.9)
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 #284E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.041
- Evergreen #05472A ΔE 0.042
- Dark Teal #014D4E ΔE 0.044
- Pine Green #0A481E ΔE 0.049
- Pine #2B5D34 ΔE 0.052
- Deep Teal #00555A ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
Use #284E37 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.