#287A57
Closest named color: Jungle Green (#048243). oklch(52% 0.097 161.5), rgb(40, 122, 87).
Aa
White text reads best on this color (5.23:1).
About this color
#287A57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.097 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.045 away. White text reads best on it, at 5.23:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #287A57 |
| RGB | rgb(40, 122, 87) |
| HSL | hsl(154, 51%, 32%) |
| OKLCH | oklch(52% 0.097 161.5) |
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 #287A57 | 5.23:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #287A57 | 4.01:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #287A57 text on white | 5.23:1 | AA | Lc 75.7 | Fine for body text |
| #287A57 text on black | 4.01:1 | AA large text | Lc -26.0 | 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A7CBB7
oklch(81% 0.048 160.8)
-
Step 400
400
#75B092
oklch(70.8% 0.076 161.5)
-
Step 500
500
#4E9B77
oklch(63% 0.095 161.6)
-
Step 600
600
#2C8660
oklch(55.6% 0.104 161.6)
-
Step 700
700 (this color)
#287A57
oklch(52% 0.097 161.5)
-
Step 800
800
#1B5C41
oklch(42.6% 0.08 161.9)
-
Step 900
900
#1E4C37
oklch(37.8% 0.063 161.4)
-
Step 950
950
#132C20
oklch(26.9% 0.039 161.3)
#287A57 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) | #787155 | 0.092 |
| Deuteranopia (no green cones) | #6D6959 | 0.090 |
| Tritanopia (no blue cones) | #007A71 | 0.040 |
| Achromatopsia (no color) | #6C6C6C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287A57
#287A57
oklch(52% 0.097 161.5)
- #8E5179
#8E5179
oklch(51.9% 0.097 341.3)
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 #287A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.045
- Bluegreen #017A79 ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.053
- Sea Green #2E8B57 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.057
- Teal #008080 ΔE 0.059
- Dark Sage #598556 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.062
Use #287A57 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.