#287C5D
Closest named color: Bluegreen (#017A79). oklch(52.7% 0.094 164.8), rgb(40, 124, 93).
Aa
White text reads best on this color (5.08:1).
About this color
#287C5D is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.094 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.046 away. White text reads best on it, at 5.08:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #287C5D |
| RGB | rgb(40, 124, 93) |
| HSL | hsl(158, 51%, 32%) |
| OKLCH | oklch(52.7% 0.094 164.8) |
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 #287C5D | 5.08:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #287C5D | 4.13:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #287C5D text on white | 5.08:1 | AA | Lc 74.8 | Content text, not long reading |
| #287C5D text on black | 4.13:1 | AA large text | Lc -26.9 | 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 600.
-
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
#A8CABA
oklch(81% 0.043 165.2)
-
Step 400
400
#78AE96
oklch(70.6% 0.067 165.1)
-
Step 500
500
#529A7C
oklch(63% 0.087 164.8)
-
Step 600
600 (this color)
#287C5D
oklch(52.7% 0.094 164.8)
-
Step 700
700
#247054
oklch(49.1% 0.087 164.9)
-
Step 800
800
#205B45
oklch(42.6% 0.072 165.3)
-
Step 900
900
#214B3A
oklch(37.7% 0.056 164.8)
-
Step 950
950
#142C22
oklch(27% 0.036 165)
#287C5D 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) | #7A735B | 0.094 |
| Deuteranopia (no green cones) | #6E6B5F | 0.089 |
| Tritanopia (no blue cones) | #007C73 | 0.034 |
| Achromatopsia (no color) | #6E6E6E | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287C5D
#287C5D
oklch(52.7% 0.094 164.8)
- #915478
#915478
oklch(52.8% 0.094 344.5)
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 #287C5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.046
- Jungle Green #048243 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.051
- Teal #008080 ΔE 0.051
- Sea Green #2E8B57 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.054
- Dark Sage #598556 ΔE 0.057
- Deep Aqua #08787F ΔE 0.059
Use #287C5D 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.