#287F57
Closest named color: Jungle Green (#048243). oklch(53.4% 0.104 159.5), rgb(40, 127, 87).
Aa
White text reads best on this color (4.92:1).
About this color
#287F57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.104 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.036 away. White text reads best on it, at 4.92:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #287F57 |
| RGB | rgb(40, 127, 87) |
| HSL | hsl(152, 52%, 33%) |
| OKLCH | oklch(53.4% 0.104 159.5) |
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 #287F57 | 4.92:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #287F57 | 4.26:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #287F57 text on white | 4.92:1 | AA | Lc 73.8 | Content text, not long reading |
| #287F57 text on black | 4.26:1 | AA large text | Lc -27.9 | 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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A8CAB6
oklch(80.8% 0.046 159.4)
-
Step 400
400
#77AF90
oklch(70.6% 0.074 159.5)
-
Step 500
500
#509B75
oklch(63% 0.095 159.8)
-
Step 600
600 (this color)
#287F57
oklch(53.4% 0.104 159.5)
-
Step 700
700
#21714D
oklch(49.1% 0.096 159.7)
-
Step 800
800
#1E5C3F
oklch(42.6% 0.08 159.6)
-
Step 900
900
#204C36
oklch(37.8% 0.062 159.5)
-
Step 950
950
#142C1F
oklch(26.9% 0.039 158.6)
#287F57 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) | #7E7555 | 0.099 |
| Deuteranopia (no green cones) | #726D5A | 0.095 |
| Tritanopia (no blue cones) | #007E74 | 0.045 |
| Achromatopsia (no color) | #707070 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287F57
#287F57
oklch(53.4% 0.104 159.5)
- #945380
#945380
oklch(53.3% 0.105 339.7)
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 #287F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.038
- Dark Sage #598556 ΔE 0.050
- Viridian #1E9167 ΔE 0.053
- Bluegreen #017A79 ΔE 0.060
- Teal #008080 ΔE 0.061
- Military Green #667C3E ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.065
Use #287F57 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.