#287356
Closest named color: Dark Aquamarine (#017371). oklch(50.1% 0.088 164.2), rgb(40, 115, 86).
Aa
White text reads best on this color (5.71:1).
About this color
#287356 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.088 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.043 away. White text reads best on it, at 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #287356 |
| RGB | rgb(40, 115, 86) |
| HSL | hsl(157, 48%, 30%) |
| OKLCH | oklch(50.1% 0.088 164.2) |
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 #287356 | 5.71:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #287356 | 3.67:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #287356 text on white | 5.71:1 | AA | Lc 78.3 | Fine for body text |
| #287356 text on black | 3.67:1 | AA large text | Lc -23.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE8
oklch(93.7% 0.013 164.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A8CAB9
oklch(80.9% 0.043 163.6)
-
Step 400
400
#78AE95
oklch(70.6% 0.068 164.1)
-
Step 500
500
#539A7B
oklch(63.1% 0.087 163.8)
-
Step 600
600
#338564
oklch(55.7% 0.095 163.6)
-
Step 700
700 (this color)
#287356
oklch(50.1% 0.088 164.2)
-
Step 800
800
#215B44
oklch(42.6% 0.072 164.1)
-
Step 900
900
#214B3A
oklch(37.7% 0.056 164.8)
-
Step 950
950
#142C22
oklch(27% 0.036 165)
#287356 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) | #716B54 | 0.086 |
| Deuteranopia (no green cones) | #666358 | 0.083 |
| Tritanopia (no blue cones) | #00736B | 0.034 |
| Achromatopsia (no color) | #666666 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287356
#287356
oklch(50.1% 0.088 164.2)
- #864E70
#864E70
oklch(50% 0.088 343.6)
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 #287356, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.047
- Bluegreen #017A79 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.054
- Dark Aqua #05696B ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.058
- Deep Aqua #08787F ΔE 0.061
- Jungle Green #048243 ΔE 0.062
Use #287356 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.