#287156
Closest named color: Dark Aquamarine (#017371). oklch(49.5% 0.085 165.3), rgb(40, 113, 86).
Aa
White text reads best on this color (5.85:1).
About this color
#287156 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.085 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.041 away. White text reads best on it, at 5.85:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #287156 |
| RGB | rgb(40, 113, 86) |
| HSL | hsl(158, 48%, 30%) |
| OKLCH | oklch(49.5% 0.085 165.3) |
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 #287156 | 5.85:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #287156 | 3.58:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #287156 text on white | 5.85:1 | AA | Lc 79.0 | Fine for body text |
| #287156 text on black | 3.58:1 | AA large text | Lc -22.8 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A9C9BA
oklch(80.8% 0.04 165.4)
-
Step 400
400
#79AE97
oklch(70.7% 0.066 165.8)
-
Step 500
500
#549A7D
oklch(63.2% 0.084 165.1)
-
Step 600
600
#358466
oklch(55.6% 0.091 165.2)
-
Step 700
700 (this color)
#287156
oklch(49.5% 0.085 165.3)
-
Step 800
800
#225B45
oklch(42.7% 0.071 164.8)
-
Step 900
900
#224B3A
oklch(37.8% 0.055 164.4)
-
Step 950
950
#152C22
oklch(27.1% 0.035 164.2)
#287156 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) | #6F6955 | 0.085 |
| Deuteranopia (no green cones) | #646258 | 0.080 |
| Tritanopia (no blue cones) | #007169 | 0.031 |
| Achromatopsia (no color) | #656565 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287156
#287156
oklch(49.5% 0.085 165.3)
- #844D6D
#844D6D
oklch(49.5% 0.086 344.8)
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 #287156, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.048
- Dark Aqua #05696B ΔE 0.051
- Bluegreen #017A79 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.059
- Deep Aqua #08787F ΔE 0.061
- Dark Moss Green #606C38 ΔE 0.064
Use #287156 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.